Three vintage cars valued at $500,000 were destroyed in a this afternoon fire in Oklahoma City . About 1:40 p.m., the owner of the cars was working one of them in a detached garage in the 2300 block of Land Avenue when an engine backfire ignited a puddle of gasoline, fire Battalion Chief Tommy Iago said. The fire spread through the garage and damaged an adjacent motor home. The fire destroyed three cars, a 1913 Cadill...