Tractor-trailer overturns on I-75; driver trapped

A tractor-trailer overturned Thursday morning on Interstate 75 in Weston, trapping the driver inside.The driver was trapped in the cab of the truck, which was on its side.Firefighters cut open the roof of the cab to free the driver. He was flown to a nearby hospital in a Broward Sheriff's Office helicopter.Florida Highway Patrol Sgt. Mark Wysocky said two other cars were involved in the crash. The drivers were taken to Cleveland Clinic but were expected to be OK.The truck was carrying chlorine t