At least five people have been killed and more than 40 injured after a car ploughed into a parade in the US state of Wisconsin, police say.
Footage shows a red SUV driving through a Christmas parade in the city of Waukesha, west of Milwaukee, at around 16:40 local time (22:40 GMT).
Police chief Dan Thompson said it hit dozens of people, including children.
One person is in custody. The incident does not appear “at this time” to be an act of terrorism, one official said.
The suspect appeared to have been fleeing another scene when he ran into people at the parade, the law enforcement official – who is familiar with the early findings of the investigation – told the BBC’s US partner CBS News.
Local resident Angelito Tenorio told the Milwaukee Journal Sentinel newspaper he had just finished marching in the parade when the SUV “put the pedal to the metal and just [started] zooming full speed along the parade route.”
“Then we heard a loud bang, and just deafening cries and screams from people who are struck by the vehicle,” he said.