Social media has been abuzz with netizens condemning the cowardly assassination of Hamas leader Ismail Haniyeh and calling for strong and stern action against Israel.

Independent British journalist Richard Medhurst believes the Axis of Resistance will respond to Ismail Haniyeh's assassination with "unprecedented action."

The Islamic Revolution Guards Corps (IRGC) has stressed that the Israeli regime will face a harsh and painful response following the assassination of Hamas chief Ismail Haniyeh.

Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei has warned the Israeli regime of a harsh response for the the assassination of Hamas’ Political Bureau Chief Ismail Haniyeh, saying the Islamic Republic regards as a duty to avenge the blood of the Palestinian resistance leader.

The Iranian Foreign Ministry says the blood and sacrifices of the head of Hamas political bureau will not go in vain.

The Lebanese resistance movement Hezbollah says the assassination of head of the political bureau of Hamas resistance movement, Ismail Haniyeh, will only strengthen the resistance front’s resolve.

The life and legacy of Ismail Haniyeh, the head of the political bureau of Hamas, will continue to inspire the forces of resistance against the Zionist occupation.

Hamas Political Bureau chief Ismail Haniyeh has been killed in an attack in the Iranian capital, Tehran.

Ayatollah Khamenei says the Palestinian nation and the people of the Gaza Strip are today carrying “the highest flag of Islam” in the world.

The Palestinian resistance movement Hamas declares an international day in support of Gaza and Palestinian prisoners.