U.S. Vice President Joe Biden has offered condolences to Ukrainian President Petro Poroshenko over killings in eastern Ukraine. At last four people were killed by artillery fire in an overnight attack on July 12 in Maryinka, a suburb of Donetsk where pro-Russia insurgents are holed up.
Russia's War Against Ukraine
Radio Free Europe/Radio Liberty: Biden expresses condolences over Ukraine deaths
Ukrainian soldiers with a tank stand guard at a check-point near the small eastern Ukrainian city of Konstantinovka, some 50 km from Donetsk, on July 10, 2014.
