Israel and Hamas said ceasefire talks have resumed in Qatar - even as Israeli forces ramped up a bombing campaign and mobilised for a massive new ground assault.

Earlier, the Israeli military said it had been "conducting extensive strikes and mobilising troops" as part of preparations to expand operations in Gaza.

defence minister Israel Katz said had "refused to discuss negotiations without a cessation of the war", but after the airstrikes and the mobilisation of forces the militant group's representatives "have agreed to sit in a room and seriously discuss the deal".

"Israel emphasises that if the talks do not progress, the [military] operation will continue," he added.

A Hamas source told Sky News that ceasefire talks began in Doha on Saturday morning.

Hamas official Taher al-Nono told Reuters news agency that the two sides were involved in discussions without "pre-conditions".

He added Hamas was "keen to exert all the effort needed" to help mediators make the negotiations a success.

More than 150 people have been killed in Israeli strikes in the last 24 hours, according to the Hamas-run health ministry in .

This week has been one of the deadliest phases of bombardment since a truce collapsed in March and marked a .

The Israeli military's preparations to expand operations in Gaza have included the build-up of tanks and troops along the border.

It is part of "Operation Gideon Chariot", which Israel says is aimed at defeating Hamas and getting its hostages back.

An Israeli defence official said earlier this month that the operation would not be launched before concluded his visit to the Middle East.

The US president ended his trip on Friday, with no apparent progress towards a new peace deal.

Meanwhile, on Saturday, leaders at the annual summit of the Arab League in Baghdad said they were trying to reach a ceasefire between Israel and Hamas in Gaza.

They also promised to contribute to the reconstruction of the territory once the war stops.

The meeting comes two months after Israel ended a ceasefire reached with the Hamas militant group.

Israel's Prime Minister Benjamin Netanyahu said on 5 May that Israel was planning an expanded, intensive offensive against Hamas as his security cabinet approved plans that could involve .

This week, Israel said it had bombed the European Hospital because it was home to an underground Hamas base, but on its evidence.

Israel's goal is the elimination of Hamas, which attacked southern Israel on 7 October 2023, killing around 1,200 people and seizing about 250 hostages.

Its military response has killed more than 53,000 people, according to the Hamas-run health ministry in Gaza, which does not differentiate between civilians and combatants.