Amateur footage appears to show a number of police cars chasing a vehicle along a road near the US Capitol building.
ITV News cannot independently verify this video.
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Stephen Fry has quit Instagram, telling fans he has been "hounded off" the social media site.
The Office star Martin Freeman has given his backing to Labour in the party's first party election broadcast in England.
Today's weather will remain unsettled, with some cold, wet and windy conditions.