A dispute that erupted into gunfire during a large outdoor party in Washington, D.C., early Sunday left one person dead and some 20 others injured, including an off-duty officer "struggling for her life," according to police.
Christopher Brown, 17, died in the shooting that occurred after midnight in a southeast side neighborhood where people had gathered for music and food, Peter Newsham, the chief of the Metropolitan Police Department, told reporters.
"There was some kind of a dispute," Newsham said. "Multiple weapons were produced."
Police said at least three shooters may have been involved, though no arrests were immediately announced. Newsham said a motive for the shooting wasn't clear.