Hamas had no knowledge of rockets being fired into Israeli territory, according to a spokesperson for the group.
No one has claimed responsibility for the attack called "a grave and direct violation of the ceasefire," by Mark Regev, a spokesman for Israeli Benjamin Netanyahu.
However, Hamas spokesperson Sami Abu Zuhri said the group had no knowledge of any rockets being fired.
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.