Police searching for the gunman responsible for four attacks in Paris since last Friday, have arrested a man, according to Le Parisien.
French prosecutors have denied reports the gunman is being held, according to Reuters.
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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.