A Ukrainian serviceman checks cars driving away from Donetsk near the village of Maryinka, a suburb of Donetsk in eastern Ukraine, on August 5, 2014. Terrified residents on August 5 fled the besieged rebel bastion of Donetsk in eastern Ukraine along a perilous humanitarian corridor, as government forces pushed their offensive to the outskirts of the city. AFP PHOTO / ANDREY KRASNOSCHEKOVAndrey Krasnoschekov/AFP/Getty Images Russia has sharply increased the number of troops and vehicles positioned on the eastern border of Ukraine in the past few days, raising fears of an invasion to stop the Ukrainian army’s recent advances against pro-Russian separatists. Moscow has around 20,000 troops deployed in battle-ready formations on the border, according to senior Nato military officers – significantly more than the 15,000 US officials said were deployed there last week. More On this story On this topic IN Europe While the number is still well below […]