Israeli military strikes have killed at least 15 Palestinians in the Gaza Strip over the past 24 hours, the enclave's health ministry said on Sunday, as Arab and U.S. mediators work to shore up a fragile ceasefire between Israel and Hamas.

Israeli fire has killed eight people in the Gaza Strip over the past 24 hours even as a fragile ceasefire with Hamas has largely held.

The Al-Khair Foundation says staff were setting up a camp for displaced Gazans in Beit Lahia Saturday when back-to-back Israeli strikes hit their vehicles.

Hamas said on Friday it had agreed to free an American-Israeli dual national if Israel begins a phase of ceasefire talks towards a permanent end to the war, but Israel dismissed the offer as "psychological warfare".

Hamas said Saturday it will only release an American-Israeli and the bodies of four other hostages if Israel implements their ceasefire agreement, calling it an “exceptional deal” aimed at getting