Sig Alert, 60 Freeway, Ontario 5:43 a.m.

A semi truck jackknifed and a pickup truck hauling a boat slammed into the side of it in a crash that prompted a Sig Alert in Ontario. A box truck and a fourth vehicle were also involved in the 5:43 a.m. collision on the eastbound 60 Freeway at Grove Avenue. The crash caused a man's boat to launch out of its trailer into the bed of his truck. All eastbound lanes were blocked except the carpool and slow lanes. The Sig Alert was canceled at 8:26 a.m.