The Minsk ceasefire is once more on shaky ground, with the outbreak of fresh fighting in eastern Ukraine. <br /><br /> Both the Ukrainian military and pro-Russian rebels have accused each other of intensifying attacks in recent days.<br /><br /> Reports suggest at least six Ukrainian servicemen were killed between Monday and Tuesday (April 13-14), representing the heaviest loss in weeks for pro-Kyiv forces.<br /><br /> Some 12 were wounded in a surge in fighting, which has been largely concentrated around rebel-held Donetsk, according to government spokesperson Andriy Lysenko.<br /><br /> Meanwhile, pro-Russian officials say the Ukrainian military has repeatedly fired rounds of artillery at rebel positions, the separatist news agency DAN reports.<br /><br /> Report from @OSCE on renewed intensive fighting around #Donetsk & #Shyrokyne http://t.co/ZvQtOVCJI0 pic.twitter.com/IrGRHBSHPM— Rodrigo Barbosa (@RodaLarga) April 14, 2015<br /> <br /><br /> ‘Grave concern’<br /><br /> Foreign ministers from Ukraine, Russia, Germany and France have condemned the renewed
