epaselect epa04612462 Servicemen of Ukrainian volunteers battalion ‘Azov’ have their exercises on a base in Mariupol, Ukraine, 09 February 2015. The leaders of Germany, France, Ukraine and Russia plan to hold an emergency summit on the Ukrainian conflict in Minsk on 11 February, with the meeting being described as a last-ditch attempt to find a peaceful solution to the crisis. EPA/IVAN BOBERSKYY