For the 4th time in months, IDF says it killed Gaza head of Mujahideen Brigades terror group

An IDF infographic announcing the elimination days earlier of Musbah Salim Musbah Dayyah, the Gaza head of the Mujahideen Brigades terror group, in the Strip, September 3, 2025. (IDF)
An IDF infographic announcing the elimination days earlier of Musbah Salim Musbah Dayyah, the Gaza head of the Mujahideen Brigades terror group, in the Strip, September 3, 2025. (IDF)

The Israel Defense Forces and Shin Bet killed the Gaza head of the Mujahideen Brigades terror group during operations in the Strip last week, the army says in a statement.

The military says Musbah Salim Musbah Dayyah, killed in Nuseirat, was involved in recruiting members in the West Bank and advancing terror attacks in that territory and in Israel, as well as attacks on IDF forces in Gaza.

It is the fourth time the IDF says it has eliminated the organization’s leader in the past few months, after Dayyah’s predecessors were also assassinated.

The IDF releases footage of the strike.

The IDF says Mujahideen Brigades members took a “significant part” in the Hamas-led October 7, 2023, onslaught, and took an active part in murders and abductions even without having been privy to Hamas’s attack plans ahead of time.

Among those kidnapped by the group were Shiri Bibas and her kids Ariel, 4, and Kfir, 10 months. The three were later killed in captivity and their bodies were returned in a deal earlier this year.

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