He was the younger brother of Yahya Sinwar, the former Hamas leader killed by Israel last year. Hamas did not immediately respond to the claim of his death.

Israel has accepted the new proposal for a ceasefire with Hamas from US envoy Steve Witkoff, according to an Israeli official.

Hamas leaders said they were reviewing a ceasefire deal proposed by the Trump administration that had already received Israel's stamp of approval.

The White House says Israel has accepted a new U.S. proposal for a temporary ceasefire with Hamas. White House press secretary Karoline Leavitt on Thursday said special envoy Steve Witkoff and President Donald Trump submitted a ceasefire proposal that Israel has "backed and supported.

Israeli Prime Minister Benjamin Netanyahu mentioned the killing of Mohammed Sinwar in a speech as the U.S. seeks a temporary ceasefire in the Israel-Hamas war.

The reported killing of Mohammad Sinwar deepens Hamas's leadership crisis as Israel escalates its campaign amid Gaza's worsening humanitarian crisis.

C-O-N-G-R-A-T-U-L-A-T-I-O-N-S, Faizan Zaki! The 13-year-old from Allen, Texas, won the 2025 Scripps National Spelling Bee Thursday night. Zaki, who has competed in the annual contest four times, came in second last year.

President Donald Trump hinted on Friday that Israel and Hamas are close to another ceasefire, as Israeli ground operations intensify in Gaza. During a Friday Oval Office press conference, Trump said the adversaries were “very close” to another ceasefire, despite Hamas having rejected the last U.S. ceasefire proposal backed by Israel.

Mohammad Sinwar, Hamas's Gaza leader and brother of slain commander Yahya Sinwar, has been confirmed dead by Israeli Prime Minister Benjamin Netanyahu.

ABC News takes a look at key dates and developments of Israel's actions in Gaza and the worsening humanitarian crisis since the temporary ceasefire with Hamas ended.

Israel carried out a new round of air strikes in Gaza on Friday as the world waited for a potential breakthrough on a new ceasefire agreement. CBS News senior foreign correspondent Imtiaz Tyab reports.