Ukraine and Russia have agreed to implement a "full and comprehensive" ceasefire in eastern Ukraine by the end of 2019, after top-level talks.
New Zealand Prime Minister Jacinda Ardern has said there are questions which "must be asked" after the volcanic eruption on White Island.
A military plane with 38 people on board has disappeared en route to Antarctica, Chile's air force says.
Russia has been handed a four-year ban from all major sporting events by the World Anti-Doping Agency (Wada).
A volcano has erupted in New Zealand, leaving one dead and several unaccounted for, police have said.
Indian police have shot dead four men suspected of raping and killing a young female vet in Hyderabad last week.
US President Donald Trump has accused his French counterpart Emmanuel Macron of being "nasty" for saying Nato was brain dead.
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.
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.