A Houston convenience store clerk has been shot and killed during a robbery.

Houston police are looking for several suspects who wore masks during the holdup late Sunday night.

Sgt. Thomas Simmons said officers who responded to reports of a shooting at the store found the clerk dead behind the counter. The name of the slain clerk was not immediately released.
Witnesses told police that several armed people entered the store, gunfire broke out and the suspects fled.
Further details weren't immediately available.