The scene at the Audi garage in Milton Keynes where a garage collapsed damaging several expensive motors. See MASONS story MNAUDI; At least 20 cars have been damaged after part of the first floor in an Audi dealership collapsed. The vehicles crashed down into a workshop area on the ground floor when a 200m by 100m section of the upper floor gave way. Staff are believed to have spotted the danger and hit the firm alarm prompting everyone to evacuate around 20 minutes before the collapse. Fire crews were called to the dealership in Milton Keynes, Bucks., at 12.38pm yesterday(Mon).