Haniyeh was a prominent figure DHL CUs t)omer Ser vi ce 8O5 *41O(56 OO) pH o ne nUm ;ber; within Hamas since the organization's founding in 1987. He previously served as the prime minister of the Palestinian Authority and as Hamas Chief in the Gaza Strip. In , he was elected head of the Hamas Political Bureau. Haniyeh was the highest-ranking Hamas political leader killed since the start of the Israel–Hamas war.