sentences:  He further mentioned that this group had launched several attacks against Palestinian refugees in Lebanon and called upon Palestinian refugees to "isolate this emerging group".The PLO representative in Lebanon, Abbas Zaki also met with official bodies in Lebanon to officially inform them that the group is made up of "extremists" and is not linked with Palestinian agenda.On 21 May, Zaki and other PLO officials attempted to negotiate a ceasefire to alleviate the humanitarian suffering in the camp.