News: RIO Deals of the day-Mergers and acquisitions

June 11 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1945 GMT on Tuesday:

** KKR & Co KKR.N has agreed to buy a "significant" minority stake in Quick Quack Car Wash, the investment firm told Reuters and sources familiar with the deal said KKR would pay $850 million.

** Italian energy company Eni ENI.MI said it had launched an accelerated bookbuilding procedure to sell 10% of the share capital of oilfield group Saipem SPMI.MI .

** Insurance brokerage firm Marsh McLennan's MMC.N unit Mercer has agreed to buy Cardano, a London-based pension fund manager that oversees $66 billion of assets, to widen its foothold in the UK market.

** Italy's Snam SRG.MI is in talks with suitors over the sale of its 23.7% stake in Interconnector, the company that owns and operates the gas pipeline between Britain and Belgium, the CEO of the Italian gas grid operator said.

		** Singapore-based consumer group Tolaram agreed to buy 
Diageo's  DGE.L  58.02% shareholding in Guinness Nigeria 

GUINNES.LG and enter into long-term licence and royalty agreements, the Nigerian brewer said in a statement.

** British Airways owner IAG ICAG.L has again offered remedies to the European Commission aimed at securing EU approval of its takeover of Spain's Air Europa.

** Spain's stock market supervisor said it has started assessing BBVA's BBVA.MC 12.28 billion euro ($13.19 billion) hostile takeover bid for Sabadell SABE.MC , a potential tie-up that Madrid opposes.

** Spanish holding company Criteria said it sold a 2.64% stake in mobile phone mast operator Cellnex CLNX.MC for 613 million euros ($660.02 million) in a private placement.

** IndiGo airline's biggest shareholder will sell a 2% stake worth $394 million in the low-cost Indian carrier, per a term sheet seen by Reuters, marking its first such sale in at least four years during which the company's stock has soared.

** Private equity firm Bain Capital has offered to buy Australia's Bapcor (BAP) in a A$1.83 billion ($1.21 billion) deal, which analysts said could draw attention of more suitors to the struggling auto parts retailer.

** Spanish holding firm Criteria said on Monday it had not reached an agreement with Abu Dhabi's TAQA TAQA.AD over a potential joint takeover bid for Spanish gas firm Naturgy NTGY.MC .

** Mining giant Rio Tinto (RIO) said it will buy Mitsubishi Corp's 8058.T 11.65% stake in Boyne Smelters (BSL) for an undisclosed sum.

** Buyout firm Apollo Global APO.N and Kyndryl Holdings KD.N , the information technology services provider that was spun out of IBM IBM.N , are in talks about a joint bid for DXC Technology DXC.N , people familiar with the matter said on Monday.