Washington, April 30 (RHC)-- A unidentified person opened fire with an assault rifle outside the Cuban Embassy in Washington, DC early Thursday morning and has been detained.   The incident began around 2 a.m. outside the diplomatic mission in Northwest Washington.  The DC Metropolitan Police arrived on the site after neighbors reported hearing gunshots, officials said.

Officers found the suspect with an assault rifle and detained him without further incident, police said. Investigators believe the person may have been shooting at the embassy, although details of his possible motive remain unclear, news agencies say.

The identity of the suspect and the charges against him were not immediately made public.  No one was injured in the shooting.

Images of the scene posted on social networks showed a group of police outside the embassy after the shooting and investigators searching an SUV parked there.

Metropolitan Police and U.S. Secret Service agents are currently investigating what happened.