- In the Netherlands, the anti-Islam, Eurosceptic Dutch Freedom Party of Geert Wilders' - which plans to forge an alliance with Le Pen - finished joint second in terms of European Parliament seats behind a pro-European centrist opposition party.
- In Italy, Prime Minister Matteo Renzi's centre-left Democratic Party was holding off a strong challenge from the anti-establishment 5-Star Movement of former comic Beppe Grillo, according to a first exit poll.
- In Germany, Chancellor Angela Merkel's Christian Democrats were set to secure 36 percent of the vote, down from a 23-year-high of 41.5 percent in last year's federal election but still a clear victory. The centre-left Social Democrats, her coalition partners, were forecast to take 27.5 percent.
More top news
Mr Blavatnik, whose empire includes the Warner Music Group, has an estimated fortune of £13.17bn according to the Sunday Times Rich List.
Find out what to expect from the weather if you are running in the big race in London or watching from the sidelines.
It will be a soggy start to the weekend and temperatures will drop making it feel colder than in recent days.