Ukrainian military spokesman, Andriy Lysenko, confirms that pro-Russia forces have seized parts of the strategic railway hub of Debaltseve on Tuesday, ignoring the ceasefire agreement. Both sides say they cannot move their heavy weapons from the frontline while attacks are still underway. The European Union's foreign policy chief, Federica Mogherini, says the ceasefire agreement is not a failure, adding they knew from the beginning it would be 'difficult and fragile'