The Conservatives are set to win an overall majority of 86 in the general election, according to an exit poll for the BBC, ITV and Sky News.
Ukraine and Russia have agreed to implement a "full and comprehensive" ceasefire in eastern Ukraine by the end of 2019, after top-level talks.
Three rescuers died in a helicopter crash during an overnight mission near the southern French city of Marseille, authorities said.
The Mayor of London is among those expected to attend a vigil for the victims of the London Bridge attack in the capital later.
One of the people stabbed to death in Friday's attack at London Bridge has been named as 25-year-old University of Cambridge graduate Jack Merritt.
The man who carried out Friday's stabbing attack at London Bridge was a former prisoner convicted of terrorism offences.
Turkey's foreign minister has accused French President Emmanuel Macron of being a "sponsor of terrorism", dismissing the French leader's criticism of Turkey's Syria offensive.
Boris Johnson and Jeremy Corbyn have clashed over Brexit in the first TV election debate of the campaign.
Boris Johnson has said he is ready to fight a "tough" general election after MPs voted for a 12 December poll.
The UK looks set for a December general election after Labour leader Jeremy Corbyn announced his party was ready to fight the "most radical campaign ever".
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.