President Joe Biden and Vice President Kamala Harris on Thursday publicly reacted to the killing of Hamas leader Yahya Sinwar by Israeli troops. In a statement released by the White House, Biden called Sinwar's death "a good day for Israel, for the United States, and for the world."

Mr. Sinwar, one of the main architects of the Oct. 7 Hamas-led attack on Israel, has spent decades with the militant group, working his way to the top of its leadership.

Sinwar, the widely-recognized mastermind behind the Oct. 7 attack on Israel, was confirmed dead on Thursday, according to the Israeli military.

President Biden and lawmakers on Thursday praised Israel for killing Yahya Sinwar, the mastermind of the Oct. 7, 2023, attack on Israel that sparked the ongoing war.

"This is a good day for Israel, for the United States, and for the world," the president said in an official statement from the White House.

Mr. Sinwar climbed the ranks of the Palestinian militant group to plot the deadliest attack on Israel in its history.

Sinwar, a U.S.-designated terrorist, is regarded as the architect of Hamas' Oct. 7, 2023, attacks on Israel. The death drew comparisons to the killing of Osama bin Laden.

Vice President Kamala Harris said the death of Hamas leader Yahya Sinwar presents an "opportunity to finally end the war in Gaza" that started a year ago. “Justice has been served, and the United States,