Story highlights European security official casts doubt on durability of ceasefireHeavy weapons still in place; hundreds of violations recorded(CNN) Peace in Eastern Ukraine remains tenuous as a spate of violations of a newly implemented ceasefire continued overnight into Wednesday. On Tuesday, the head of the Organization for Security and Co-operation in Europe (OSCE) said the ceasefire wasn't having the effect that his organization was hoping. "The crisis in and around the Ukraine continues to be a major source of tension and instability in Europe," he said. Zannier had been invited by the Ukraine delegation of the security council to speak before the chamber. JUST WATCHED Russia okays passports issued by East Ukraine separatists Replay More Videos ... MUST WATCH Russia okays passports issued by East Ukraine separatists 02:43He told the security council that the OSCE was "monitoring the ceasefire and are ready to observe the much-needed withdrawal of heavy weapons."

Source: CNN February 22, 2017 10:18 UTC