The Israeli military said Thursday it was looking into whether Hamas’ top leader Yahya Sinwar was killed in a military operation in Gaza.

The military said in a statement that three fighters were killed during operations in Gaza, without specifying where or elaborating further. It said the identities of the three were not confirmed yet, but it was “checking the possibility” that one of the three was Sinwar.

Sinwar was one of the chief architects of Hamas’ attack on Israel on Oct. 7, 2023, and Israel has vowed to kill him since the beginning of its campaign in Gaza. Throughout the war, Sinwar has been in hiding.

A Hamas’ top figure for years, Sinwar was chosen as its leader following the assassination of Ismael Haniyeh in July in an apparent Israeli strike in the Iranian capital Tehran. Israel has also claimed to have killed the head of Hamas’ military wing Mohammed Deif in an airstrike, but the group has said he survived.

The report came as Israeli forces continued a more than week-old major air and ground assault.

The Israeli military said it targeted a command centre run by Hamas and Islamic Jihad inside a school. It provided a list of around a dozen names of people it identified as terrorists who were present when the strike was called in. It was not immediately possible to verify the names.

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