(Adds Cellnex, M.Video, Dogan Holding; Updates GlaxoSmithKline, Xplornet)
March 22 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Thursday:
** GlaxoSmithKline GSK.L has pulled ahead in a race to buy Pfizer's PFE (NYSE:PFE).N consumer healthcare business, which the U.S. drugmaker believes could be worth as much as $20 billion, after its main rival Reckitt Benckiser RB.L quit the auction. French media giant Vivendi VIV.PA is selling its stake in Ubisoft UBIP.PA for 2 billion euros ($2.45 billion) to investors including Chinese tech titan Tencent 0700.HK , ending a potential takeover battle for the French video games maker. Canadian privately held broadband provider Xplornet Communications Inc has hired two investment banks to explore a potential sale that could value the company at C$2 billion ($1.55 billion), including debt, according to sources familiar with the matter. Israeli defense electronics firm Elbit Systems ESLT.TA , ESLT.O said it was in the process of completing the acquisition of privately held U.S.-based Universal Avionics Systems Corp through an asset allocation agreement. Britain's Stobart Group STOB.L said it has scrapped plans to buy Flybe Group FLYB.L , adding the UK-based regional airline had rejected a bid and it had decided against making a higher offer. U.S. private equity firm Starwood Capital Group announced bids to acquire a quarter of Austrian property company CA Immo CAIV.VI and a smaller stake in its rival Immofinanz IMFI.VI , sending shares in both higher. Turkey's Dogan Holding has started talks to sell its $890 million media arm to an unlisted firm seen as close to Tayyip Erdogan, a deal likely to cement media support for the president ahead of 2019 elections. Russia's electrical goods retailer M.Video MVID.MM and rival Eldorado, both owned by Safmar Group, have been merged in a 45.5 billion rouble ($798 million) long-expected deal. Global miner Rio Tinto (LON:RIO) RIO.AX agreed to sell its 75 percent stake in a Queensland coal project to Australia's Whitehaven Coal WHC.AX for $200 million, as part of a strategic decision to exit coal and focus on growth in iron ore, copper and aluminum businesses. Fans will be glued to the "March Madness" college basketball tournament as the joint owner of rights for the games, Time Warner Inc (NYSE:TWX) TWX.N , goes before a judge on Thursday to defend a proposed takeover by AT&T Inc (NYSE:T) T.N . Chrysaor, which bought a portfolio of Royal Dutch Shell RDSa.L assets last year, said on Thursday it would acquire stakes in three ageing North Sea fields from Spirit Energy. Teleology Holdings has agreed to buy 9mobile, Nigeria's fourth-largest telecoms provider, the investment firm said. Emirates NBD could agree to buy Turkey's Denizbank within weeks, sources said, after intense lobbying by the Turkish bank to convince President Tayyip Erdogan of the benefits of the potential $5.3 billion deal despite a diplomatic rift. Four high-profile British lawmakers have called for Rupert Murdoch's Twenty-First Century Fox FOXA.O to be blocked from buying Sky SKYB.L , saying the mogul will be able to influence its news output despite promises to the contrary. Chinese conglomerate CEFC had already started paying for a stake in Russian oil giant Rosneft when the economic crime police took its chairman Ye Jianming away, halting the $9.1 billion deal in its tracks, according to three sources close to the matter. Towers group Cellnex CLNX.MC could end up being owned by Benetton's Edizione if the Italian holding company's infrastructure business Atlantia ATL.MI purchases a stake in the Spanish company, two sources close to the matter said.