At least three consortia of private equity companies and one trade buyer have placed their hats in the ring for the final bidding round to buy US fastfood giant Burger King. According to the Wall Street Journal, Triarc (which owns the roast beef foodservice chain Arby's) and at least three private equity firms are planning to place bids ranging between US$2bn and US$2.5bn to acquire the world's second-largest burger chain from Diageo of the UK.