At least 40 people have been killed following shelling by Israeli tanks near the town of Rafah in southern Gaza, Reuters reported, citing a local hospital.
Israel accused Hamas and other Palestinian militant groups of violating a 72-hour ceasefire amid Israeli media reports that gunmen had fired at soldiers in the Rafah area.
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.