Heavy fighting erupted around the rebel stronghold of Donetsk in eastern Ukraine on Sept. 14, piling further pressure on a precarious nine-day-old truce between the government and separatist fighters.
Russia's War Against Ukraine
Agence France-Presse: Heavy fighting in Donetsk threatens Ukraine ceasefire
Black smoke ascends around the Donetsk's International Airport as shelling continues between pro-Russian forces and the Ukrainian army on September 14, 2014.
