Sources?

The number has been revised to 1200. And it turns out that as many as have were killed by Soldiers of the Zionist State, employing the "Hannibal Directive" against their own people, to ratchet up the body counts, and deny Hamas any captives to bargain with. Every Israeli killed by the IDF, becomes further evidence of Hamas' barbarity.

Evidence gleaned since Oct. 7 shows Hamas militants prepared for a ‘second phase’ of assaults amid hopes of inspiring violence in the West Bank and beyond

https://www.washingtonpost.com/national-security/2023/11/12/hamas-planning-terror-gaza-israel/