Story highlights Officers return fire, killing the suspect

The shooter is believed to be a former police officer

A gunman opened fire Wednesday at a federal building in Wheeling, West Virginia, authorities said.

Officers returned fire and killed the shooter, said Wheeling Police Chief R. Shawn Schwertfeger.

The chief identified the suspect as a former police officer.

He did not identify the man by name and declined to talk about a possible motive.

No one else was believed to have suffered serious injuries, the chief said.