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ST. LOUIS, MO (KTVI)-An off duty St. Louis city police officer is recovering Saturday morning after being shot. He came under-fire while simply driving his personal vehicle north on 25th Street near Breman. That's in north St. Louis.

Police say that the 28-year-old officer was fired upon just before 4:00pm. He was shot multiple times in the lower extremities. His wounds do not appear to be life threatening. The St. Louis Municipal Department says the officer is in critical but stable condition.

It is not clear if that officer ever returned fire.

Police are not sure exactly what prompted the attack on the officer. Police recovered physical evidence at the scene and they have the officer's car which was struck several times by bullets.

"We don't know what transpired but the occupants of the other vehicle opened fire. He was struck a number of times. He drove a short distance where someone else took over his vehicle. We think it was someone who was not inside the car with him at that time. They then drove him to the hospital where he was taken into surgery." said Capt. Michael Sack of the St. Louis Police Department.

There is no information about a suspect at this time.

.@SLMPD talking to person who drove injured officer's car to hospital. Possibly a good samaritan. Could learn more this evening about that. — elisacrouch (@elisacrouch) December 20, 2014

28-yr-old STL off duty officer shot here near Hyde Park. Driving own car, not in uniform. (1/2) pic.twitter.com/Q47Yk9vBm8 — elisacrouch (@elisacrouch) December 20, 2014

Bullets thru door, hit multiple times. In critical but stable condition. En route to hospital sounds like a stranger drove him rest of way. — elisacrouch (@elisacrouch) December 20, 2014

Off-duty officer shot at 25th and Bremen in #StLouis is in surgery. Injuries reportedly not life threatening. — elisacrouch (@elisacrouch) December 20, 2014

Off-duty @SLMPD officer shot in Hyde Park. Reported in critical but stable condition. pic.twitter.com/18oF6smav6 — Robert Cohen (@kodacohen) December 20, 2014

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