At least 40 Palestinians were killed and 400 injured Sunday in Israeli artillery fire in Gaza City.
Officials at Shifa Hospital in Gaza, said that they received 40 bodies who were killed by Israeli bombardment in Shujaiya neighbourhood, east of Gaza City, Xinhua reported.
Meanwhile, Hamas movement said that what happened in Shujaiya neighbourhood as a war crime, pledging to defeat the Israeli army which started a ground operation in Gaza Thursday.
Israel said the limited ground operation in Gaza, which came after 11 days of bloody air strikes, is meant to end rocket fire into Israel.
On July 8, Israel started an all-out aerial operation dubbed Protective Edge to stop rocket fire from Gaza.
The operation has so far claimed the lives of at least 390 Palestinians and injured more 3,000.