Authorities have identified the three teens killed in two separate crashes in Bristol County, Massachusetts, over the weekend. The first crash happened around 10:13 p.m. Friday on Tremont Street in Taunton, according to the Bristol County District Attorney's Office. WATCH HERE WATCH HEREThe driver, identified Monday as 18-year-old Savannah Salemme, of Dighton, died at the scene, the district attorney's office said. Then around 1 a.m. on Saturday, state police responded to Dartmouth for reports of an erratic driver on Route 195 west. Both crashes remain under investigation, the district attorney's office said.