Shortly after 4 p.m. Friday, police and emergency volunteers were called the assistance of a man in Lexington Park who had been stabbed.

The 22-year-old man was stabbed at an unknown location near Valley Drive, and walked to Avis Rent a Car on Route 235 to get help.

Responders found the man with a stab wound in the back near the shoulder. He did not provide police any details about his attackers, other than they were two black males.

Police used a search dog to try to pinpoint the location of the stabbing. The outcome of the police investigation was not immediately available Friday night.

The man was taken by ambulance to the Trooper 7 helicopter hangar at St. Mary’s Airport, and then flown to Prince Georges County.