WEST MIFFLIN, Pa. -- West Mifflin police said a woman was sexually assaulted and robbed behind a tavern early Sunday morning.

Investigators said the incident happened behind Harvey Wilner's Tavern around 2:15 a.m.

Police said the victim is in her 20s.

Officers said they used dogs to track the scent of the man without success.

So far, no arrests have been made. Police continue to investigate.