Israel has not commented on the death but many countries have warned that it could help turn the Gaza war into a regional conflict.
Here are some key reactions:
Iran leader vows 'harsh punishment'
Haniyeh had been in Tehran to attend the inauguration of President Masoud Pezeshkian and Iran's supreme leader Ayatollah Ali Khamenei vowed "harsh punishment" for Israel.
"With this action, the criminal and terrorist Zionist regime prepared the ground for harsh punishment for itself, and we consider... Читать дальше...