[Jimbuna]

Delegations from Russia and Ukraine are in Istanbul for the first face-to-face talks in more than two weeks.

Ukraine says its top priority from the talks, which will begin early on Tuesday, is to negotiate a ceasefire.

Chelsea owner and Russian oligarch Roman Abramovich has turned up at the meetings.

The Kremlin dismisses reports that the billionaire was poisoned earlier this month.

It says the story is part of an "information war"

Hopes of progress at the talks are slim, with both sides playing down the chances of a breakthrough.

Turkey's President Erdogan says it's time the talks yield "concrete results"