Israel has offered a 45-day ceasefire if it releases half of the remaining hostages held in Gaza
Israel on Tuesday launched its most intense strikes on the Gaza Strip since a January 19 ceasefire
"Every death would have and could have been avoided had Hamas accepted the 'bridge' proposal that SE Witkoff offered last Wednesday," says a State Department spokesperson
A ceasefire must be reinstated immediately, Muhannad Hadi said in a statement
The White House confirmed that Israel consulted US President Donald Trump's administration before launching the wave of strikes
A senior Hamas official said Tuesday fresh talks had begun in Doha, with Israel also sending negotiators.
Hamas said there were "positive indicators" for the start of the ceasefire's second-phase talks but did not elaborate.
The first phase of a ceasefire deal between Israel and Palestinian fighter group Hamas was set to expire over the weekend, without any certainty as to the second phase.
Prime Minister Benjamin Netanyahu's office said Israel had received the coffins of "four fallen hostages"
Hamas on Monday said it will stop releasing Israeli hostages, throwing Gaza ceasefire into doubt
Trump must remember that there is an agreement that must be respected by both parties, says a Hamas leader
Netanyahu will discuss the truce's future and efforts to end the Gaza war.
The letter was signed by the foreign ministers of Jordan, Egypt, Saudi Arabia, Qatar and the UAE
Before departing, Netanyahu told reporters he would discuss "victory over Hamas"
In Gaza City a stage had been erected at a harbour for the handover of Keith Siegel.
Fifteen of the 33 hostages due for release in the first stage of the ceasefire have so far been released in exchange for 400 Palestinian prisoners and detainees.
The ceasefire went into effect just over a week ago, aiming to put an end to more than 15 months of war.
Israel had been preventing Palestinians from returning to their homes in northern Gaza, accusing Hamas of violating the terms of the truce
During the first six-week phase, 33 hostages should be freed in staggered releases in exchange for around 1,900 Palestinians held in Israeli jails.