News: SEK Deals of the day-Mergers and acquisitions

Feb 23 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1100 GMT on Tuesday:

** Australia's biggest gas pipeline company, APA Group (APA) , has expanded its long-running search for gas infrastructure acquisitions in the United States to include companies that own electricity networks, its chief executive said.

** India's Reliance Industries Ltd RELI.NS expects to hive off its oil-to-chemicals (O2C) business into a 100% subsidiary in the September quarter, the company said, paving the way for a stake sale in the new company.

** Italy's state lender Cassa Depositi e Prestiti (CDP) wants to raise its stake in Open Fiber to 60% to seize control of the broadband company, sources said, as Rome presses ahead with plans to boost ultra-fast connectivity across the country.

** Swiss financial infrastructure group SIX is taking a majority stake in Orenda Software Solutions, a Canadian artificial intelligence (AI) platform specialising in environmental, social and governance (ESG) and alternative data sets, SIX said.

** India's Bharti Airtel BRTI.NS said on Tuesday it would collaborate with U.S. chipmaker Qualcomm QCOM.O for 5G services to the world's second largest wireless market.

** French energy group Total TOTF.PA has agreed to sell off stakes in some wind and solar farms to Credit Agricole Assurances CAGR.PA and Banque des Territoires, which Total said would boost its cash flow and return on equity.

** British private security group G4S GFS.L urged shareholders to accept Allied Universal's 3.8 billion pound ($5.4 billion) final offer after the end of the U.S. bidder's drawn-out takeover battle with Canada's GardaWorld.

** Aviva AV.L has agreed the sale of its operations in France for 3.2 billion euros ($3.89 billion) to Macif's Aéma Groupe, as part of the British insurer's shift to focus on its core operations in Britain, Ireland and Canada.

** Novo Holdings, majority shareholder in Danish diabetes drug developer Novo Nordisk NOVOb.CO , will acquire Canadian early drug development services firm Altasciences from Audax Private Equity.

** Australia's SEEK Ltd (SEK) plans to split its job listings and investments businesses and cut its stake in Chinese unit Zhaopin in a shake-up that would see co-founder Andrew Bassat give up his chief executive role.

** Sibanye-Stillwater Ltd SSWJ.J said it has agreed to invest in a European lithium company Keliber Oy, marking the South African miner's entry into battery metals sector.