About five Palestinians have been killed in Gaza by Israeli air strikes, health officials there say, as Palestinian militants continue to fire rockets at Israel.
The three day ceasefire agreed to by both sides came to an end on Friday when Violence resumed.
The situation in Gaza has spread to the West Bank where protesters have clashed with Israeli troops. Reports say two Palestinians have been shot dead, one on Friday and one on Saturday.
At least 1,960 people have died since violence erupted in Gaza in early July.
According to the UN more than 1,900 Palestinians, mostly civilians, have been killed,
Sixty-seven people have died on the Israeli side, including three civilians.
Israel said it renewed its military offensive soon after the truce lapsed in response to rocket fire by the Hamas militant group, which dominates Gaza.
On Saturday, the bodies of three Palestinians were pulled from the wreckage of a mosque in Gaza, local officials said.