AUSTIN, Texas — Recovery efforts are underway following a boating accident on Lake Austin on Sunday.

A teenager is missing after a boat ran aground. Emergency responders said seven people were involved. Two people were taken to St. David’s South Austin Medical Center with serious injuries. Two were taken to a hospital with what were described as potentially serious injuries.

Two people refused treatment at the scene.

Meanwhile, one person died and others were hospitalized in a crash involving a jet ski and a boat on Lake Travis on Sunday.

Austin-Travis County EMS said one adult died at the crash site. Four people were taken to hospitals. Their injuries are not life-threatening.