TULSA, Oklahoma - Police are investigating an armed robbery at at Tulsa apartment complex late Monday.

Officers say the robbery happened just before 11:30 p.m. July 10 at the Woodland Hills apartments in the 8500 block of East 66th Street South.

Police say a man was in the parking lot when three other men approached him and robbed him. They say the trio was last seen running south through the complex.

The victim was not hurt, according to Tulsa Police. If you know anything about the crime, you're asked to call Crime Stoppers at 918-596-COPS.