Israel on Friday accused Hamas of a breach of the cease-fire agreement between the warring sides of the "utmost severity" after DNA testing of four sets of hostage remains returned on Thursday showed one of the bodies was not that of Shiri Bibas as Hamas had claimed.

Israel's military says the remains of two child hostages have been identified, but another body released by Hamas was not that of the boys’ mother, Shiri Bibas.

The remains of two child hostages have been identified but another body released by Hamas was not the boys’ mother, the Israeli military said early Friday. Hamas militants had turned over four bodies Thursday under the tenuous ceasefire that has paused over 15 months of war.