The Ukrainian military says it is battling rebel armoured vehicles that crossed from Russia and headed to the south-eastern city of Mariupol. It said the column was halted near the town of Novoazovsk.
Russia's War Against Ukraine
BBC: ‘Column from Russia’ moves on Mariupol
A Russian armoured personnel carrier drives on a road in the Russian-Ukrainian border area some 30 km outside the town of Kamensk-Shakhtinsky in the Rostov region, on August 17, 2014.
