乌克兰停火会谈即将展开Ukraine's President Petro Poroshenko has raised hopes that a deal could be struck with Russia to end fighting in the east of his country
乌克兰总统佩特罗·波罗申科让人们看到了与俄罗斯达成协议结束国内东部地区混乱局面的希望
Ukraine, Russia and pro-Russia rebels are set to begin afternoon talks in Belarus
However, there are new reports of shelling near the town of Mariupol
Meanwhile, Western countries are preparing to tighten1 sanctions on Russia in case talks come to nothing
They are attending the second day of a Nato summit in Newport, Wales
The West accuses Russia of sending arms and troops to back the rebels in eastern Ukraine
Moscow denies this
More than 2,600 people have died during the five-month conflict
Leaders will also discuss the grow ing threat of Islamic State (IS) in Iraq and Syria
An IS video relea