Ukraine's acting President has told the country's parliament that "terrorists" armed with anti-aircraft missiles were responsible for shooting down a military helicopter near the town of Slaviansk.
Fourteen servicemen, including a general, reportedly died in the attack in the east of the country.
"I have just received information that terrorists using Russian anti-aircraft missiles shot down our helicopter near Slaviansk. It had been ferrying servicemen for a change of duty," Oleksandr Turchinov said.
More top news
Emeli Sande has said the Band Aid song needs rewriting and apologised if the latest version "caused offence".
A former British soldier who served in Afghanistan is one of a 'growing number' of westerners joining Kurds in the fight against Isis.
Growing numbers of people on low incomes are turning to food banks to survive, new research has revealed.