GAZA (Dispatches) – At least 16 Palestinians were killed on Friday and 19 more were slain in Israeli attacks in the Gaza Strip on Thursday, according to Palestinian security and medical sources. An Israeli warplane struck a residential house in the Jabalia refugee camp in northern Gaza, killing three people, said Palestinian medical sources. Seven Palestinians were killed by Israeli aircraft in two attacks on the Zeitoun neighborhood south of Gaza City, according to local sources and eyewitnesses. The Civil Defense Authority in Gaza reported in a press statement that its crews recovered the body of a Palestinian woman and a seriously injured person following an Israeli attack near Zeitoun neighborhood south of Gaza City. In Rafah, southern Gaza, Civil Defense crews recovered the bodies of four people, three of whom were from the same family, after they were targeted by a missile in the Al-Zahour neighborhood in the center of the city. The bodies were transferred to the hospital, according to a separate statement released by the Civil Defense Authority. Medical sources reported that the bodies of four people were transferred to the hospital in Khan Younis, southern Gaza, following the bombing of a residential house in the city. The Israeli army has not yet commented on these incidents. The United Nations Relief and Works Agency for Palestine Refugees (UNRWA) said six of its employees were among the at least 18 people killed in an Israeli aerial assault on a school in the central Gaza Strip. In a statement released on Thursday, UNRWA said Wednesday’s Israeli airstrikes targeting the UN-run al-Jaouni school in the Nuseirat refugee camp resulted in “the highest death toll among our staff in a single incident” since the occupying regime waged a genocidal war on Gaza more than 11 months ago. “Among those killed was the manager of the UNRWA shelter and other team members providing assistance to displaced people,” it added. UNRWA also said the al-Jaouni school, home to around 12,000 displaced Palestinians- mainly women and children, has been hit five times since the Israeli aggression began. “No one is safe in Gaza. No one is spared,” it emphasized. “Schools and other civilian infrastructure must be protected at all times, they are not a target.” UNRWA Chief Philippe Lazzarini said the agency’s staff who were killed had been providing support to families sheltering in the al-Jaouni school. “Humanitarian staff, premises & operations have been blatantly & unabatedly disregarded since the beginning of the war,” he asserted. In the occupied West Bank city of Tubas, the families of Palestinians killed in an air strike held funerals on Friday after Zionist troops withdrew following their latest raid in the territory. The official Palestinian news agency Wafa said the military withdrew Thursday evening, allowing the funerals to go ahead. The four men buried in Tubas on Friday were killed in an air strike at dawn on Wednesday, the Palestinian Red Crescent Society said. A fifth fatality from the same strike was buried on Friday in Tamoun, also in the northern West Bank. The Israeli military said in its Wednesday statement that Israeli aircraft had “struck and eliminated a terrorist cell consisting of five terrorists armed with explosives who posed a threat to (Israeli) forces”. On Friday morning, hundreds of people walked through the streets of Tubas alongside the four bodies hoisted on stretchers and wrapped in white cloth. Some in the crowd waved the green flag of the Palestinian resistance movement Hamas and gunfire punctuated the chants of the mourners.