Israeli forces in Gaza killed Hamas leader Yahya Sinwar, a chief architect of last year’s attack on Israel that sparked the war, the military said Thursday. Troops appeared to have run across him unknowingly in a battle,

Back in March, Vice President Kamala Harris warned Israel not to enter Rafah, the southern Gaza enclave where Hamas had holed up among the its civilian population, saying in an interview that the U.S. would not rule out "consequences" if the Israeli military moved forward with an invasion.

The death of Hamas leader Yahya Sinwar is raising new questions over the course of the war and the fate of hostages still held by the terrorist group, with the U.S. calling on both sides to seize the opportunity to end the fighting,