WASHINGTON, Sept. 16 (Xinhua) -- The U.S. Navy confirmed that several people were wounded Monday morning in a shooting at the Washington Navy Yard in the southeastern part of the capital.
The shooting happened at 8:20 a.m. EDT (1320 GMT) with three shots fired inside a building at the Washington Navy Yard that serves as the headquarters of the Naval Sea Systems Command, the U.S. Navy said via its Twitter account.
At least 10 people were wounded, including police officers, CNN reported.
The shooter is still being sought by police and other law enforcement agencies on site, said the Washington Metropolitan Police Department.
The Navy has issued an order of "shelter in place" for personnel working at the Washington Navy Yard. And the police also urged the public to stay off the area.
According to White House pool media reports, a White House official said U.S. President Barack Obama has been briefed several times on the unfolding situation.
The White House urged citizens to follow directions of local authorities.
The Naval Sea Systems Command is the largest of the Navy's five system commands, and its headquarters is the workplace for about 3,000 people.