Barack Obama and Vladimir Putin have met for ‘pull-aside’ meetings at the G20 summit in China but failed to agree on a solution to the Syrian civil war.
Washington and Moscow support opposing sides in the bloody five-year conflict, which has left 300,000 people dead and forced millions to flee.
But in their final face-to-face meeting before Obama leaves office in January next year, they agreed to keep up negotiations over a cease-fire agreement
A senior US administration official said they had a longer-than-expected discussion during a ‘constructive’ meeting.
It comes as Syrian government troops – backed by Russia – resumed their siege of the city of Aleppo.