WASHINGTON Israel allowed just one-third of planned humanitarian missions into Gaza over the past week, according to UN on Wednesday, as the humanitarian crisis in the besieged territory worsens with the onset of winter. The UN Office for the Coordination of Humanitarian Affairs (OCHA) reported that out of 129 planned missions, only about a third were approved by Israeli authorities, according to UN spokesperson Stephane Dujarric during a briefing. The remaining missions were either denied,