Britain has pledged a further £3 million to help workers in Gaza provide a rapid response to the crisis.
International Development Secretary Justine Greening called the three-week offensive "nothing short of a humanitarian catastrophe".
The funding brings the total UK humanitarian support during the current conflict to £13 million.
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.