A pro-Russian separatist kisses the forehead of a killed comrade during a funeral at a cemetery in the eastern Ukrainian city of Donetsk on February 16, 2015. A two-day-old truce in Ukraine was under threat with fighting unabated around a strategic railway hub and other violations reported, putting in peril an agreement to start withdrawing heavy weapons from the frontline. AFP PHOTO / VASILY MAXIMOV        (Photo credit should read VASILY MAXIMOV/AFP via Getty Images)