Ukrainian President Petro Poroshenko will meet Russia's Vladimir Putin to discuss the crisis in eastern Ukraine. Mr Poroshenko said he would ask for the pro-Russian rebels to be withdrawn from Ukraine, according to the presidential website.
Mr Poroshenko is scheduled to see Mr Putin in the Belarussian capital Minsk on August 26 at a meeting that will also include top leaders of the European Union and of the Russian-led Customs Union.
More top news
Theresa May will attend a key EU summit on Thursday, just hours after her authority was diminished by a humiliating House of Commons defeat.
The best of the sunshine will be in the east.
The British territory will allow only domestic partnerships after senators approved the Domestic Partnership Act by an 8-3 vote.