The Turkish, US and Russian chiefs of military staff were meeting in southern Turkey to discuss developments in Syria and Iraq, Turkey's military said.

Vladimir Putin says Russia will recognise the outcome of Ukraine’s presidential vote.

Russia has accused the West of triggering the Ukrainian crisis with its “megalomania”, as fighting continued in Ukraine’s east between pro-Russia insurgents and government forces two days before a presidential election.

The United States and other nations in the Group of Seven have agreed to “move swiftly” – as early as Monday – to impose additional economic sanctions on Russia for its actions in Ukraine.