An adult pedestrian was killed after being struck by a vehicle on southbound Interstate 35 in Austin, Austin-Travis County EMS said.

EMS said medics were called to the 8000 block of southbound I-35 at 12:21 a.m. and found the adult dead at the scene.

Authorities warned drivers to expect closures and use alternate routes. No further details about the pedestrian or the driver were immediately available.