Vladimir Putin (left) with Matteo Renzi (centre) and Petro Poroshenko (right) at the summit in Milan on Friday ©AFP Vladimir Putin and Petro Poroshenko, the Russian and Ukrainian presidents, failed to reach a breakthrough to end the crisis in Ukraine , after a day of intense negotiations brokered by EU leaders in Milan. Mr Putin and Mr Poroshenko discussed a number of thorny issues, from allowing drones to monitor the border between the two countries to the structure of local elections in the pro-Russian separatist region of eastern Ukraine . They pledged to enforce a truce agreed last month that has since been frequently breached. More On this story Putin’s meeting with old pal dims focus on Ukraine Russia takes EU to court over sanctions Hungary questions EU sanctions on Russia UK blocks €5bn Russian North Sea deal On this topic Moscow battles to ease dollar shortage EU rebuffs […]