ramallah/washington palestinian officials express surprise saturday u.s. decision close palestine liberation organization office washington unless group enter peace negotiations israel say would surrender blackmail u.s. state department official say legislation pass congress secretary state rex tillerson could renew certification expire month plo office give certain statements make palestinian leaders international criminal court law say plo main palestinian umbrella political body operate washington office urge icc prosecute israelis allege crimes palestinians address unite nations general assembly september palestinian president mahmoud abbas say palestinian authority call icc open investigation prosecute israeli officials involvement settlement activities aggressions people state department official add restrictions plo unite state include operation washington office could waive 90 days u.s. president donald trump determine palestinians enter direct meaningful negotiations israel hopeful closure short-lived say official speak condition anonymity accord official palestinian news agency wafa palestinian presidency express surprise u.s. move first report associate press wafa quote palestinian foreign minister riyad al-maliki say palestinian leaders would give blackmail pressure regard operation plo office negotiations israeli-palestinian peace agreement agency quote spokesman abbas nabil abu rdainah express surprise give meet abbas trump characterize full understand step need create climate resumption peace process palestinian official speak condition anonymity tell reuters state department inform palestinians decision wednesday immediately clear effect state department move might trump administration efforts revive peace talk israel palestinians lead jar kushner u.s. president son-in-law senior adviser abbas spokesman call u.s. move unprecedented step u.s.-palestinian relations would serious consequences peace process u.s.-arab relations accord wafa israeli prime minister benjamin netanyahu say statement saturday matter u.s. law respect decision look forward continue work u.s. advance peace security region state department official say u.s. move amount cut relations plo signal intention stop work palestinian authority remain focus comprehensive peace agreement israelis palestinians resolve core issue party official say palestinians say wo n't blackmail u.s. move close plo office