- 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
A group of hooded youths have clashed with police in Paris at a May Day rally against proposed labour reforms.
Tonight a band of cloud and rain will spread into Scotland and Northern Ireland before reaching all parts of the country tomorrow.
Baronness Warsi has hit out at her own party's London mayoral campaign, suggesting it may destroy any prospect of winning.