drink-driver left his victim severely injured before fleeing the scene of the high-speed crash by driving on the wrong side of a dual carriageway.Tyre fitter Andrew Gentleman, who has two convictions for drink driving, was more than four times the limit when he caused the hit-and-run smash.The 52-year-old, who left four people – including two young children – needing hospital treatment, was still four times the limit nearly four hours after the accident.Gentleman, of Falkirk, admitted driving