A Russian convoy of 280 trucks sets off from Moscow, en route to eastern Ukraine.<br/> <br />Russian authorities say they're bringing much needed food, water and other aid to the region, where Ukrainian forces are closing in on pro-Russian rebels.<br/> <br />But Kiev believes the convoy is a trojan horse.<br/> <br />And Deputy foreign minister Danylo Lubkivsky says the trucks will not be permitted to enter the country if they're are under escort by Russian military.<br/> <br />(SOUNDBITE) (English) UKRAINIAN DEPUTY FOREIGN MINISTER, DANYLO LUBKIVSKY, SAYING:<br/> <br />"Let me be clear: you don't need tanks and artillery to bring food and medicine for civilians."<br/> <br />This latest stand-off comes in the wake of more fierce fighting around the city of Donetsk, where pro-Ukrainian volunteer fighters exchanged gun fire with rebels, Sunday.<br/> <br />In this battle, six Ukrainians were reported killed and more than 10 were injured.<br/> <br />Despite the rising death toll, Ukraine says the "final stages" of ridding Donetsk
