Russian expert James Nixey told ITV News that he does not think the meeting between Russian President Putin and Prime Minister Cameron will "result in a substantial change in position."
He says there is still a "fundamental divergence of values" on the issue, and he does not think "one pre-judo meeting" will accomplish.
More top news
Students at a university in Singapore were warned to be alert after a king cobra and a python were photographed mid-fight on the campus.
The picture, which ITV News has chosen not to publish, shows the young boy, lying motionless on Bodrum beach in Turkey.
A teenager posing for selfies with a gun has died after the weapon reportedly went off.