The search continues today for a teenager who went missing after a boating accident in Lake Austin on Sunday evening. Austin-Travis County EMS responded around 6 p.m. to the reported mishap on River Terrace Circle. Seven people were on board a boat when it ran aground on the lakeshore. Six of them were injured, and a teenager disappeared into the water. Four of the injured were hospitalized with serious injuries. The Austin police and fire departments searched for the missing teen, whose name hasn't been released.