Smoke rises from what witnesses said was an Israeli air strike in Gaza City launched hours before a ceasefire was due to expire.
A Reuters correspondent said they saw an Israeli plane fire a missile east of Gaza City. The Israeli military said it was attacking "terror targets" across the territory.
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.