One person was killed and 20 others were injured in a shooting in a Washington D.C., according to authorities.
The shooting took place at around 1 a.m. on Sunday at a residential neighbourhood in the U.S. capital, reports Xinhua news agency.
The victim was identified as the 17-year-old Christopher Brown, his family confirmed to CBS Washington D.C. affiliate WUSA-TV.
At least nine people were taken to nearby hospitals after the shooting, a police spokesman said.
A witness told local media that the incident took place at a birthday party.
No further details were immediately available.