A private ambulance that was called to take a patient to a hospital was struck at least once when gunfire broke out Friday night in Southeast Washington.

The AMR ambulance was part of a fleet contracted by the D.C. Fire Department to carry patients whose condition is not adjudged to be life-threatening.

A spokesman for the DC fire and emergency medical services department said gunfire erupted as a patient was being brought out of a building in the 2800 block of Langston Place SE. It was later found that the ambulance had been struck by at least one shot, said Vito Maggiolo, a spokesman for the fire department.

The patient was unharmed, authorities said.

It was unclear why the shots were fired.