18-year-old kayaker killed after jet ski hit-and-run in Texas: Police

An 18-year-old who was kayaking on Grapevine Lake in Texas over Memorial Day weekend was killed after being struck by a jet ski, whose driver fled the scene, police said.The incident happened on Sunday evening when the jet ski, with a driver and a passenger onboard, hit the victim, Ava Moore, according to the Grapevine Police Department.Grapevine Lake is a reservoir in northern Texas, approximately 20 miles northwest of Dallas and northeast of Fort Worth.