This is the horrific moment an LA driver speeds through a red light before slamming into five cars at an intersection, killing six including an infant and a pregnant woman. The black Mercedes races past a gas station then smashes into the side of a traffic jam, causing a flaming inferno in the Windsor Hills district. It sends the vehicles screeching across the street before finally coming to a stop in a mangled wreck just feet away from rows of highly flammable pumps. The gut-wrenching pile up, between of South La Brea Avenue and Slauson Avenue, killed the pregnant woman,...