A driver is dead after a fiery single-vehicle crash in Lafayette. The Lafayette Police Department identified him as Blaze Lachappelle, 24, of Youngsville. Authorities said the crash happened on Southpark Road, not far from West Pinhook Road, on Sunday, July 20, just before 2 a.m. They added Lachappelle was driving west when his vehicle veered off the road, hit a culvert, crossed American Boulevard, and crashed into a tree before catching fire…