Dallas police are looking for a gunman after a woman was fatally shot and a man was critically wounded at a motel.

Police are trying to determine what sparked the gunfire early Wednesday.

Sr. Cpl. Sherri Jeffrey says police are not sure if the suspect fled on foot or escaped in a vehicle.

Jeffrey says a woman who was shot was declared dead at Parkland Memorial Hospital. Jeffrey says a man was critically wounded.

Names of the victims and further details on the investigation weren't immediately released.