US Secretary of State John Kerry and his Russian counterpart, Sergei Lavrov, agreed on Wednesday that a cessation of hostilities agreement in Syria was holding and to extend it by 48 hours to allow for increased humanitarian access. 'There was agreement that as a whole, despite sporadic reports of violence, the arrangement is holding, and violence is significantly lower,' State Department spokesman Mark Toner told a briefing. 'As part of the conversation they agreed to extend the cessation for another 48 hours,' he added.