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- Mohammed Sinwar, a Hamas leader, was claimed to have died in 2014.
- However, Israeli spies now believe he is alive and that he helped mastermind the October 7 attacks.
- They believe he has spent years living in Hamas' labyrinth of tunnels under the Gaza Strip.
A Hamas leader who was pronounced dead years ago is now believed to be alive and to have helped mastermind the October 7 attacks, Israeli intelligence says, The Telegraph reported.
Mohammed Sinwar, the younger brother of Hamas' leader in Gaza Yahya Sinwar, was pronounced dead by the militant group in 2014, with the group even releasing an image of him lying in a blood-soaked bed.