The United States criticised the "disgraceful shelling" at a UN school in Gaza and urged Israel to do more to prevent civilian casualties in its war against Hamas militants.
The US State Department spokeswoman Jen Psaki also called for an investigation into recent attacks on UN schools.
The United States is appalled by today's disgraceful shelling outside an UNRWA school in Rafah sheltering some 3,000 displaced persons, in which at least ten more Palestinian civilians were tragically killed.
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.