An Ukrainian serviceman fires a grenade launcher on positions on the frontline of fighting against pro-Russian separatists near Donetsk on May 30, 2015 in eastern Ukraine. Ukrainian President Petro Poroshenko appointed fiercely pro-Western former Georgian leader Mikheil Saakashvili, who once fought a war with Russia, governor of the strategic Odessa region. (Photo by Genya Savilov/AFP Photo)
