Ismail Haniyeh, Hamas' top commander and the Palestinian group's face for ceasefire negotiations with Israel, was assassinated in Iran on Wednesday. Haniyeh was known was his tough-talking yet 'moderate' demeanour, Reuters reported. Haniyeh had escaped the war-torn Gaza strip to travel between Qatar- the main negotiator between Hamas and Israel, and Iran- the country that mainly backs Hamas. From his interviews to his remarks on the Israel-Hamas war, Haniyeh maintained that it was a fight for the Palestinian people. But what made him significant for the Palestinian group? Here's a look at the Hamas chief's life.