Israel escalates bombardment of Gaza City

Israel Katz's remarks come as the country's military has been planning a new offensive targeting Gaza City.

US secretary of state Marco Rubio, speaking to journalists while leaving Israel for Qatar, suggested the offensive had begun.

He said: "The Israelis have begun to take operations there. So we think we have a very short window of time in which a deal can happen.

"We don't have months anymore, and we probably have days and maybe a few weeks ago."

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Palestinian residents reported heavy strikes across the city.

One overnight strike hit a house in the western side of Gaza City, killing at least five Palestinians, including two children, according to the Shifa hospital which received the bodies.

Another strike hit at least three houses in the southwestern side of the city, residents said. Medics were searching the rubble for survivors.

"It was a heavy night," said Radwan Hayder, a Gaza City resident sheltering near the Shifa Hospital.

The Israeli military has not responded to questions for hours over whether the offensive had begun.

Both prime minister Benjamin Netanyahu and Mr Rubio said on Monday the only way to end the conflict in Gaza is through the elimination of Hamas and the release of the remaining 48 hostages - with around 20 believed to be alive - setting aside calls for an interim ceasefire in favour of an immediate end to the conflict.

Hamas has said it will only free the remaining hostages in return for Palestinian prisoners, a lasting ceasefire and an Israeli withdrawal from Gaza.