Israel received the remains of another hostage from Gaza on Friday, the prime minister’s office said, a handover from Hamas as the militant group worked to shore up a ceasefire by using bulldozers in a search for bodies under the rubble in the war-scarred enclave.

U.S. President Donald Trump on Monday traveled to Israel and Egypt to celebrate the beginning of the U.S.-brokered ceasefire, along with the return of the 20 remaining living hostages and the release of some 2,000 Palestinian prisoners.

The Israeli army said a strike on Yemen on Aug. 28, which killed the premier of the Houthi government and other ministers, also eliminated the militant group’s chief of general staff — in what the Israel Defense Forces labeled a “severe blow.