The general in charge of Ukraine's counter-offensive in the south has said Russian defences are making it difficult for military equipment, including Western tanks and armoured vehicles, to move forward.<br /> <br />Gen Oleksandr Tarnavskyi said his forces are struggling to overcome multi-layered minefields and fortified defensive lines.<br /> <br />It comes as Russia’s president Vladimir Putin confirmed there's been “intensified” fighting in southern Ukraine.<br /><br />Please subscribe here: http://bit.ly/1rbfUog<br /><br />#Russia #Ukraine #BBCNews
