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Russia and the US have agreed to work towards convening an international conference to find a political solution to the conflict in Syria.
Foreign Minister Sergei Lavrov and Secretary of State John Kerry announced it would follow on from an Action Group for Syria meeting in Geneva last June.
Mr Kerry said they would try to “bring both sides to the table”.
Relations between Moscow and Washington have been strained in the last two years by differences over Syria.
A post-mortem examination has found Russian tycoon Boris Berezovsky’s death was “consistent with hanging”, police have said.
Mr Berezovsky, 67, was found dead by an employee on Saturday on a bathroom floor at his home in Berkshire.
The examination found nothing to indicate a violent struggle. More tests are to be carried out on the body.
Thames Valley Police said investigations at the property would continue for several days.
They had earlier said there was no evidence so far that a “third party” was involved.
Mr Berezovsky’s body was removed from the property in Mill Lane, Ascot overnight on Sunday.
Two Russian fighter jets have violated Japanese airspace, prompting Tokyo to scramble its own aircraft, reports say.
Japan lodged a protest after the planes were detected off the northern island of Hokkaido for just over a minute.
The incident happened after Japanese PM Shinzo Abe said he was seeking a solution to a territorial dispute with Russia over a Pacific island chain.
Russia’s military denied the incursion, saying the jets were making routine flights near the disputed islands.
Mr Abe was speaking on the anniversary of an 1855 treaty which Japan says supports its claims to the islands.
The four islands – which Russia calls the Southern Kurils and Japan calls the Northern Territories – are the subject of a 60-year-old dispute.
Because of the dispute, the two nations have not yet signed a peace treaty to end World War II.