Israel and Hamas are trading accusations of violating the existing ceasefire as less than a week remains in their initial pause.

Hamas says talks with Israel about further steps in the Gaza ceasefire deal are conditional on Palestinian prisoners being freed as agreed. Israel said on Sunday it was delaying the release of more than 600 Palestinians in return for six living and four dead hostages who had been freed,

The Israeli military says the sixth and final hostage was released by Hamas in the latest exchange on Saturday and has arrived back in Israel even as heightened tensions clouded the future of the fragile ceasefire deal.

Hamas and Israel may not proceed in the talks for the next steps in a ceasefire deal. This comes as both sides make demands on hostage and prisoner releases. CBS News' Debora Patta reports.

President Donald Trump's Middle East envoy Steve Witkoff said on Sunday the U.S. expects the second phase of the Israel-Hamas ceasefire deal to go forward and that he would visit the Middle East in the coming week.

Steve Witkoff, U.S. special envoy for the Middle East, said he is heading to the region this week to meet with other mediators from the ceasefire to work out the details of getting the next phase

The United States is looking to secure an “extension” of the current ceasefire between Israel and Hamas as the two sides work with mediators to finalize the next stage of the deal. The first phase of the ceasefire agreement,

Hayya, leader of Hamas in Gaza, said the bodies of four hostages would be returned on Thursday. Six living hostages would follow on Saturday.

Israel and Hamas on Sunday accused each other of violating the already fragile Gaza Strip ceasefire deal after Israel delayed the release of hundreds of Palestinian prisoners who were supposed to be exchanged for hostages.