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US President Donald Trump has said someone was shot near the White House, after abruptly leaving a news conference.
Mr Trump told reporters the incident "seems very well under control".
He reappeared moments after a member of his security detail walked on stage during his remarks to reporters and escorted him out.
Mr Trump was heard to say "Oh!" and "What's happening", as he left the briefing room.
The president told reporters he believed the US Secret Service had shot an armed suspect.
He said that someone was taken to hospital after the incident.
Mr Trump acknowledged it was an unusual situation, but praised the professionalism of the Secret Service.