Abu Dhabi Investment Authority reportedly is joining 3i Group and Morgan Stanley on a bid for the high-speed railway linking London with the Channel Tunnel. The deal could be worth between £1.5 billion and £2 billion.

Actient Pharmaceuticals Inc., a Denver-based specialty pharma acquisition platform sponsored by GTCR, has acquired six on-market products from a subsidiary of Belgium’s UCB SA. No financial terms were disclosed.

Actis has sponsored a management buyout of Mediterranean Smart Cards Co., an Egyptian electronic payment processor that operates in more than 20 African nations. No financial terms were disclosed.

Advent International and Bain Capital have agreed to acquire the WorldPay payment processing business of RBS. The enterprise value is up to £2.025bn including a £200m contingent consideration.RBS will retain a 19.9 percent stake in the newly independent business.

American Securities is bidding for California Pizza Kitchen Inc., a 25 year-old restaurant chain with a market cap in excess of $400 million. Moelis & Co. is managing the process. News of American Securities’ involvement was first reported by the New York Post.

Angel Broking, an Indian stock brokerage and wealth management firm, is in talks to raise upwards of $64 million from private equity firms like Blackstone Group, General Atlantic and TPG Capital.

Apollo Management has raised its buyout offer for Brit Insurance from £10.50 to £10.75 per share. The new bid would value Brit Insurance at around £852 million.

Aqua-Chem, a Knoxville, Tenn.-based maker of osmosis technology and water pretreatment equipment, has acquired Specific Equipment Co., a Houston-based provider of fluid-handling systems for the petroleum industry. No financial terms were disclosed. Aqua-Chem is a portfolio company of Altus Capital Partners.

Artissimo Designs, a provider of moderately-priced wall decor, has raised an undisclosed amount of equity funding from Huron Capital Partners.

Aspen Surgical Products

, a portfolio company of RoundTable Healthcare Partners, has bought the Bard-Parker surgical blades and scalpels business from Becton, Dickinson and Co. No financial terms were disclosed.

AXA Private Equity

has acquired a 51.8% stake in RollOn Group, an Italian maker of guides and actuators used in machine design applications for railways and other industries. No financial terms were disclosed.

Bain Capital

and Warburg Pincus have made offers to acquire Air Medical Group Holdings, a provider of emergency transportation services, according to Bloomberg. Sellers Brockway Moran & Partners and MVP Capital Partners are seeking around $1 billion.

Bain Capital, Blackstone Group

and TPG Capital are among PE firms eyeing a stake in Nokia Siemens Networks, which would cost at least $1 billion.

Barnes & Noble is receiving buyout interest from a number of private equity firms, including Apollo Management, Bain Capital and TPG Capital. The bookseller’s current market value is around $900 million.

The Blackstone Group has agreed to buy a Hawaiian shopping mall and stake in a warehouse venture for a combined $859 million, according to Bloomberg.

Boomerang Systems Inc., a maker of automated parking systems, has completed the sale of a $7 million private offering of securities to a group of private equity investors. The offering was for the sale of 28 million shares of the company’s common stock, $0.001 par value, and an equal amount of common stock purchase w arrants to purchase shares of common stock

Canadian Stock Transfer Company Inc.

, a portfolio company of Pacific Equity Partners, has agreed to acquire the Issuer Services business of CIBC Mellon Trust Co. No financial terms were disclosed.

China Media Capital has agreed to acquire control stakes in three China television channels from News Corp. No financial terms were disclosed. CMC is backed by Shanghai Media Group, China Development Bank and China Broadband Capital.

Colony Capital

has led a $660 million acquisition of film studio Miramax from Walt Disney Co.

CVC Capital Partners

has agreed to acquire a 26% stake in Spanish infrastructure group Abertis from ACS for approximately €3 billion.

Dimensional Associates

has completed a $2.05 per share take-private acquisition of The Orchard, a provider of music and video distribution and digital strategy. Dimensional already was The Orchard’s majority shareholder.

Energy Holdings International Inc. and Wasatah Capital of Riyadh, Saudi Arabia, have agreed to form a special purpose corporation with an initial capitalization of $50 million that will be used to fund oil and gas and energy power acquisitions within the Americas, Middle East and South East Asia regions.

First Reserve Corp.

and Alpha Natural Resources reportedly are considering a $2.75 billion buyout bid for Australia’s Whitehaven Coal.

First Reserve Corp. denied press reports that it is looking to acquire Australia’s Whitehaven Coal, in which it already is the largest single shareholder.

Forum Energy Technologies

has formed via the merger of five companies, to provide manufactured and applied products to the global energy industry. SCF Partners provided $100 million in equity to create FET, which will be run by Cris Gaut, a managing director with SCF Partners who previously was CFO and the head of the drilling and evaluationat Halliburton. Eight banks have provided a $450 million credit facility, with an additional $150 million accordion feature.

Francisco Partners has acquired a majority of the share capital and voting rights of Emailvision SA, a provider of e-mail marketing software. The deal was valued at approximately €46 million.

Freeman Spogli & Co.

has acquired Brooks Equipment Co. from Behrman Capital for an undisclosed amount. Brooks is a Charlotte-based wholesale distributor of first response fire protection equipment and related parts.

Genstar Capital

has acquired Evolution Benefits, an Avon, Conn.-based provider of benefit card payment services for health care and employee benefits accounts. No financial terms were disclosed.

GeoDigm Corp.

, a portfolio company of Welsh, Carson, Anderson & Stowe, has completed its $100 million take-private acquisition of National Dentex Corp., an owner and operator of dental laboratories in North America.

GI Partners

has sponsored a management buyout of SoftLayer Technologies, a Dallas-based provider of on-demand data center services. No financial terms were disclosed. DH Capital advised SoftLayer on the deal.

Golden Gate Capital

has exercised warrants to buy another 4.7 million shares in Zale Corp., making it the jewelry retailer’s largest shareholder with a 34.5% stake. It previously had acquired a 19.9% stake in May.

Graham Packaging Co., a portfolio company of The Blackstone Group, has agreed to buy Liquid Container, maker of plastic containers for food and household products, for $568 million.

Great Hill Partners has committed a $100 million to Credibility Corp., a privately held company based in Los Angeles. Great Hill Partners has also funded Credibility Corp.‘s recent buy of Credit-on-Self division, also known as the Self Awareness Solutions (SAS) operating unit, of D&B. Additional terms of the deal were not announced.

Green Sky Energy, a UK energy management group, has acquired a pair of energy management systems businesses from DWEC Group. No financial terms were disclosed. Green Sky raised £10 million earlier this year from LDC.

GTCR has formed Jessamine Healthcare Inc., a Rockville, Md.-based platform to acquire companies in the healthcare payor and outsourced payor services industries. No financial terms were disclosed. Jessamine Healthcare will be led by Sale Wolf, former CEO of Coventry Health Care

HgCapital reportedly has agreed to buy Italian accounting software provider TeamSystem from Bain Capital. The deal could be worth upwards of €600 million, with HgCapital beating out rival bidder Cinven.

IMG, a portfolio company of Forstmann Little, plans to acquire ISP Sports, a U.S. college sports media rights company. No financial terms were disclosed.

Irving Place Capital is nearing a deal to acquire a majority stake in pet products retailer Pet Supplies Plus, according to LBO Wire. The deal would include around $80 million in equity, including $18 million from management.

Irving Place Capital has completed its acquisition of Mold-Rite Plastics Inc., a Plattsburgh, NY.-based maker of caps and jars for the drug, nutraceuticals and personal care markets. No financial terms were disclosed. Phil Yates, former CEO of Graham Packaging and an Irving Place senior advisor, has joined Mold-Rite as executive chairman.

J.C. Flowers is considering an investment of around £50 million into Kent Reliance, a UK building group.

Language Stars LLC, a provider of language instruction to the pre-school and elementary school market, has raised an undisclosed amount of private equity funding from Hispania Capital Partners.

Lion Capital

has agreed to buy French frozen food company Picard Surgeles from BC Partners. No financial terms were disclosed, but published reports put the price-tag at around $1.9 billion.

Lovell Minnick Partners

has agreed to invest $40 million for a minority stake in Dahlman Rose & Co., an investment bank focused on global supply chain markets like natural resources and transportation.

Macquarie Group

and Providence Equity Partners are among bidders for China Network Systems Co., which is being sold by MBK Partners for around $2 billion.

MBK Partners

reportedly has failed to put together a group to bid on a $5 billion control stake in Korea Exchange Bank, which is being offered by Lone Star Funds.

Neff Capital Management

has acquired Complete Turbine Services LLC, a Ft. Lauderdale, Fla.-based provider of engine performance restoration services to airlines and operating lessors. No financial terms were disclosed.

Oaktree Capital

is nearing a deal to acquire a stake in Irish homebuilder McInerney, according to The Irish TImes. The investment could be worth between €30 million and €40 million.

Parallax Capital Partners has acquired Daptiv Inc., a Seattle-based provider of on-demand project and portfolio management software and services. No financial terms were disclosed.

Pierre Foods, a portfolio company of Oaktree Capital Management, has agreed to merge with Advance Food Co. and Advance Brands LLC, to create a single provider of protein and handheld convenience food products. No financial terms were disclosed. Oaktree will serve as the combined company’s majority shareholder.

Prospect Partners has sponsored a recapitalization of Navix Diagnostics Inc., a Taunton, Mass.-based provider of outsourced cardiovascular diagnostic services. No financial terms were disclosed.

Quad-C Management has acquired Joerns Healthcare, a provider of furniture and equipment for health care facilities, from Vestar Capital Partners and Park Avenue Equity Partners. No financial terms were disclosed.

Quorum Business Solutions, a Houston-based provider of business and IT solutions for the oil, gas and renewable energy industry, has raised an undisclosed amount of private equity from The Carlyle Group and Riverstone Holdings.Regency Energy Partners has agreed to acquire Zephyr Gas Services, a Houston-based field services company, for $185 million.

Rio Tinto has agreed to sell a controlling stake in its French aluminum unit to Apollo Management (51 percent) and a French state-owned fund (10 percent). No financial terms were disclosed, except that new debt is not involved.

Rizvi Traverse Management and Starwood Capital Group have recapitalized Key Air, a provider of aircraft management, worldwide charter and FBO services. No pricing terms were disclosed.

The Riverside Co. has acquired Celvitae, a cord blood bank in Madrid. No financial terms were disclosed.

RPI, a Seattle-based provider of automated manufacturing and fulfillment solutions for the consumer make-on-demand printed products market, has raised an undisclosed amount of mezzanine funding from Huntington Capital.

SAIF Partners has agreed to acquire a 22.98 percent stake in Chinese fruit juice company Huiyuan Juice Group from Danone, for around €200 million.

Saratoga Investment Advisors, an affiliate of Saratoga Partners, has bought a minority stake in GSC Investment Corp. via a $55 million recapitalization. Saratoga, CLO Partners and certain individuals bought 9.9 million shares of GSC Investment Corp. for $1.52 per share for about 37%. The recap includes a $40 million senior secured revolving credit facility from Madison Capital Funding LLC. GSC Investment Corp. will now be known as Saratoga Investment Corp., senior managers of the business were replaced and a new NYSE stock ticker symbol, SAR, was adopted, according to the statement.

SCM Insurance Services Inc., a Canadian provider of outsourced services to the insurance industry, has secured a “significant equity investment” from TorQuest Partners.

Silver Lake Partners has agreed to acquire a 62% indirect equity stake in Allyes Online Media Holdings, the Internet subsidiary of Focus Media Holding Ltd. The deal is valued at $124 million.

Silver Lake Partners and Warburg Pincus have completed their take-private buyout offinancial information provider Interactive Data Corp. The $22.86 per share deal valued IDC at approximately $3.4 billion.

Sonneborn, a portfolio company of Sun Capital Partners, has acquired the natural sodium sulfonate and oxidized petrolatum businesses of bankrupt Chemtura Corp.

The Sterling Group has completed its acquisition of New Orleans-based B&G Crane Services LLC. No pricing terms were disclosed. Debt financing was provided by Wells Fargo Capital Finance, BNP Paribas, Capital One Leveraged Finance and Whitney Bank.

The Sterling Group has acquired a majority stake in CCCG LLC, including subsidiaries Express Integrated Technologies and Express Metal Fabricators. No pricing terms were disclosed. BNP Paribas provided debt financial. Tulsa-based Express makes heat transfer, environmental compliance and sound suppression equipment.

Sun Capital Partners has acquired Betts, a provider of printed laminate tubes for the oral care and personal care sector. No financial terms were disclosed.

Sun Capital Partners has acquired the assets of Pace American, a provider of enclosed cargo and auto trailers to the U.S. and Canadian markets. No financial terms were disclosed for the deal, which was done as an Article 9 transaction.

THL Partners has agreed to buy emergency services billing company Intermedix from Parthenon Capital, according to an FTC filing.

Vector Capital has completed its $145 million take-private acquisition of Trafficmaster PLC, UK-based vehicle tracking company.

Vestar Capital Partners has agreed to acquire Health Grades Inc., a Golden, Colo.-based health care ratings organization. The $8.20 per share price represents a 29 percent premium to the company’s closing price the day before the announcement, and values Health Grades at approximately $294 million.

Water Street Healthcare Partners has acquired Medical Specialties Distributors LLC, a Stoughton, Mass.-based provider of infusion products, supplies, biomedical services and technology solutions to the home infusion therapy market. No financial terms were disclosed. MBF Healthcare Partners was the seller.

Wellspring Capital Management has acquired Jen-Coat Inc., a maker of flexible packaging for the food, health care and industrial markets, from CGW Southeast Partners. No financial terms were disclosed.

Wyle Inc., a portfolio company of Court Square Capital, has agreed to buy CAS Inc., a Huntsville, Ala.-based provider of systems engineering and technical assistance services to the U.S. Department of Defense. The seller is ITT Corp. No financial terms were disclosed.