LAKEWOOD – A man was killed in a head-on collision Saturday night after he had fled the scene of another crash, according to police. German Alonso Velasquez Gonzalez, 41, of Toms River, was driving a 2003 Nissan Altima when he rear-ended a 2016 Nissan Sentra around 8:40 p.m. on the westbound side of Route 88 near…