SAGINAW, MI -- A police officer shot and killed a man during an altercation in a traffic stop and another officer was shot in the incident, said Saginaw Township Police Chief Donald Pussehl.

Police performed a traffic stop on a vehicle after 1:30 p.m. Wednesday, July 19 on West Michigan near Leo.

Pussehl said some sort of altercation erupted and the driver of the vehicle was shot and killed and an assisting officer was also shot.

The officer suffered a wound to his arm, according to Pussehl.

Pussehl said the investigation has been turned over to Michigan State Police since it involved his department. He said police did not immediately know if the motorist had a gun or other weapon.

Both officers involved and the deceased driver are male, Pussehl said.

Additional information was not immediately available.

The driver was covered with a white sheet by paramedics near a vehicle that police appeared to have stopped.

Several onlookers gathered near the corners police had cordoned off with yellow tape.