Israeli officials say around 1,200 people were killed in the surprise Palestinian assault and 251 taken hostages, 58 of are believed to still be in Gaza. The Palestinian Health Ministry in Gaza has estimated that more than 54,600 people have been killed amid the Israeli operations that ensued.

Hayya, said in a pre-recorded speech on Thursday the group had not rejected the latest U.S. proposal for a ceasefire with Israel but demanded changes that would secure the end of the war in the enclave.

The U.S. vetoed a U.N. Security Council resolution on Wednesday that called for an “immediate and permanent ceasefire in Gaza.” The resolution was cosponsored by the U.N.’s E10, a group of ten non-permanent members of the Security Council.