At least 20 people have been injured after a vehicle drove into a crowd on Santa Monica Boulevard in Los Angeles, according to the Los Angeles Fire Department (LAFD).
Up to five people have been critically injured and up to 10 are in a serious condition, the emergency services said.
The incident happened at 02:00 local time (09:00 GMT) in East Hollywood.
Pictures from the scene show a grey car on a pavement with debris strewn on the ground, and a large police presence.