Entertainment Tonight is reporting that Kelly Osbourne has suffered a seizure while filming her TV show, Fashion Police, in LA.
She has been taken to a hospital nearby.
More top news
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.