US-Iran tensions latest: Confusion after Pentagon says Iraq troop withdrawal letter 'a mistake'

Quds Force's Qassem Suleimani and Kataib Hezbollah chief Abu Mahdi Al Muhandis were killed on Trump's orders

Iran's Supreme Leader Ayatollah Ali Khamenei (front) leading a prayer over the caskets of Qassem Suleimani and Iraqi paramilitary chief Abu Mahdi Al Muhandis at Tehran University in the Iranian capital. AFP

Army cadets attend a funeral ceremony for Qassem Suleimani, shown in posters, and his comrades at the Enqelab-e-Eslami (Islamic Revolution) square in Tehran. AP

Mourners gather to pay homage to top Iranian military commander Qassem Suleimani, after he was killed in a US strike in Baghdad, in the capital Tehran. AFP

Iranians attend the funeral ceremony of Qassem Suleimani in Tehran, Iran. EPA

Iranians gather around a vehicle carrying the coffins of Qassem Suleimani and others as they pay homage in the northeastern city of Mashhad. AFP

Iranians march behind a vehicle carrying the coffins of Qassem Suleimani and others as they pay homage in the northeastern city of Mashhad. AFP

Mourners attend a funeral ceremony for Qassem Suleimani and his comrades, who were killed in Iraq, at the Enqelab-e-Eslami (Islamic Revolution) square in Tehran, Iran. AP Photo

Iraqi Prime Minister Adel Abdul-Mahdi (centre, down) and Iraqi parliament speaker Mohamed al-Halbosi (centre, up) attending an Iraqi parliament session in Baghdad. Iraqi parliamentarians voted on a resolution to remove the US troops and cancel the security agreement between Iraq and US after the killing of Qassem Suleimani. EPA

Anti-war activist march from the White House to the Trump International Hotel in Washington, DC. AFP

Protesters hold pictures of Iranian commander Qasem Soleimani, during a demonstration outside the US consulate in Istanbu. AFP

Iranian Americans rally in support of US President Donald Trump's decision to authorise the targeted killing of Iranian Revolutionary Guards Corps (IRGC) Lieutenant General and commander of the Quds Force Qassem Suleimani outside the White House in Washington, DC, US. EPA

A supporter of Hezbollah leader Sayyed Hassan Nasrallah wears the words "powerful revenge" on her hand, ahead of the leader's televised speech in a southern suburb of Beirut, Lebanon. AP Photo

Activists clash with anti-riot police during a demonstration in front of the US Embassy in Manila, Philippines. EPA

Pakistani Shiite Muslims hold pictures of General Qassem Suleimani during a protest against the USA, in Karachi, Pakistan. EPA

Iraqis carry a poster depicting Qassem Suleimani (right) and Abu Mahdi Al Muhandis as they march in a symbolic funeral procession in the southern city of Basra. AFP

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Qassem Suleimani, head of Iran's Islamic Revolutionary Guard Corps' foreign operations branch, the Quds Force, was killed in a US rocket strike at Baghdad International Airport on Friday along with head of the Tehran-backed militia Kataib Hezbollah, Abu Mahdi Al Muhandis.

Here are the key events since:

• Iraqi parliament votes to end foreign troops presence

• Iran plans to further roll back its nuclear deal commitments

• Throngs of mourners turned out in Iran as Suleimani's body was returned

Follow the latest developments below: