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 announced Saturday it had killed Mohammed Sinwar, the chief commander of Hamas’s military wing and younger brother of slain militant leader Yahya Sinwar.

An Israeli airstrike earlier this month in Gaza's Khan Younis killed top Hamas commander Muhammad Sinwar, along with Rafah Brigade leader Muhammad Shabana and Mahdi Quara, Israeli defence officials confirmed on Saturday (31 May) evening, as reported by The Times of Israel.