Law enforcement is at the scene of a car crash, where Fast and the Furious actor Paul Walker is reported to have died.
"Sadly, I must confirm that Paul did pass away this afternoon in a car accident," Ame Van Iden, Walker's publicist, said in an email.
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Through the day, most of the cloud should break up to leave fine conditions for many with spells of sunshine.
The Eiffel Tower in Paris was plunged into darkness, with the Burj Khalifa in Dubia emblazoned with the Union Jack.
The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.