Three senior Hamas military commanders have been killed in Israeli air strike in the Gaza Strip, the Islamist militant group said.
Hamas named the men as Mohammed Abu Shammala, Raed al-Attar and Mohammed Barhoum and said they were killed in a bombing of a house in the southern town of Rafah.
A United Nations representative has told ITV News it is impossible that Israel could hit another UN-run school by mistake.
Robert Turner, Director of the UNRWA, said the strike near the facility in Rafah could not have been mistaken identity as "we inform Israeli Defence Force daily of all our sites and shelters."
There have been two days of quiet in Gaza. No rockets or missiles, no more destroyed houses, no more ambulance sirens screaming.
A three-year-old girl has been rescued from Gaza and brought to London for life-saving heart surgery.
A small team of NHS doctors and surgeons is travel to Gaza to set up facilities and establish how best to use specialists and equipment.