A London man has proposed to his girlfriend on a packed commuter train with the help of a 25-strong choir. Singer Adam King organised for his choir to serenade Lucy Rogers with Bill Withers classic 'Lovely Day on a train from London Euston on November 1, popping up at the end of the chorus to pop the question. When someone started singing I thought, 'Thats great, what a lovely train journey Im on, it must be a flash mob, Rogers told Sky News. DS