After a career in the shadows, spent in Israeli prisons and the internal security apparatus of Hamas, Yahya Sinwar emerged as the leader of the Palestinian group after helping ignite a full-blown war that has engulfed the region.
Sinwar is among the Hamas leaders accused of masterminding the group's attack on Israel on October 7 last year, and is said to have been hiding in a network of tunnels the militants built under Gaza.
