A ceasefire called for by Ukrainian President Petro Poroshenko has suffered a serious set back after an incident around the Russian border in the Rostov region<br /><br />A Russian checkpoint is said to have been shelled from Ukrainian territory, three Ukrainian posts were also reportedly targeted, resulting in numerous injuries.<br /><br />Kyiv has blamed pro-Russian rebels for the attacks, including an attempted incursion into a Ukrainian airbase in Donetsk<br /><br />A Russian customs officer spoke of the attack on the Russian border post:<br /><br />“Following the firing of automatic weapons, we started the evacuation. After that we heard the loud blasts and the whiz of fragments.’‘<br /><br />On Friday Petro Poroshenko declared a brief seven day ceasefire to allow separatists to lay down their arms. But it has no backing from those fighting the Ukrainian army, with Moscow also dismissing the peace plan.<br /><br />Russia has since mobilised over 65,000 troops for combat readiness, during apparent training exercises.<br /><br />Amidst renewed hostilities the US has imposed fresh sanctions- this time targeting seven pro-Russian rebel leaders with asset freezes.
