Donald Trump's praised US security services - after gunshots were fired during a banquet he was attending in Washington DC.
The President was taken to safety from an annual dinner for White House correspondents after a shooting outside the ballroom.
One security agent was shot - but was protected by a bulletproof vest.
Police have arrested a man in his 30s from California who was apparently armed with multiple weapons.
They believe the suspect had been staying at the hotel where the event was taking place.
Mr Trump spoke to reporters afterwards, saying the man was crazy: