At least 31 Palestinians have been killed in Gaza City, medical officials say, as Israel pressed ahead with its military offensive on the territory's main metropolis despite international criticism.
Across the Gaza Strip, medics said a total of 47 people were killed on Saturday.
The Israeli military did not initially comment. The information provided by both sides cannot be independently verified.
The Israeli news portal ynet reported heavy bombing and a "ring of fire" in several parts of Gaza City, citing Palestinian sources.
According to information released by the Israeli military on Friday, around 480,000 Palestinians have already left the city, previously home to some 1 million people.
They are trying to make their way to al-Mawasi in the south-west of the territory, which Israel