Footage broadcast by Alhurra shows a black car being cornered by police near the US Capitol building before it races away as gunshots ring out.
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The Royal Fleet Auxiliary ship RFA Argus has been recognised for providing aviation and medical support over 33 years of service.
Buckingham Palace, London's Tower Bridge, Old Trafford and Big Ben are taking part in the event to raise awareness about climate change.
Widespread frost for most areas as temperatures dip below freezing.