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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Winds will veer northerly overnight with colder air streaming in over the next few days.
Protesters angry that far-right leader Marine Le Pen is advancing the French presidential runoff are scuffling with police in Paris.
Polling projections show the far-right leader Marine Le Pen and centrist Emmanuel Macron leading in the first-round of the French election.