US embassy in Baghdad

At least three rockets targeted the US embassy in Baghdad's Green Zone at dawn on Friday, landing on the outskirts of the district housing government and diplomatic buildings, an Iraqi security official said.

There was no immediate claim of responsibility.

A volley of rockets exploded near the US embassy in Baghdad Sunday, as tensions mount ahead of the anniversary of the US killing top Iranian general Qasem Soleimani on Iraqi soil.

AFP reporters in the capital's east heard at least five booms on Sunday night, followed by whistling sounds.

They blocked it because it did not take into account the US airstrike near the ensuing Baghdad airport that killed Iranian General Qasem Soleimani, Russian Ambassador to the UN Vasily Nebenzya said.

The legacy of instability of 2019 was violently confirmed as the new decade began.

US President Donald Trump poureed fuel into an already flammable Middle East by ordering the murder in Baghdad of the prominent Iranian General Qassem Soleimani, an emblematic figure in Tehran with broad involvement in crucial fronts in Iraq and the Arab world in general.

The United States will not dare to hit 52 targets in Iran, as US President Donald Trump threatened earlier, said Iranian Armed Forces Commander Abdolrahim Mousavi, RIA Novosti reported.

"In the course of a possible conflict in the future, in which I doubt they will have the courage to strike, it will become clear what those numbers are - 5 and 2," Mousavi added.

This happened hours after the assassination of Iranian General Qasem Soleimani.

The United States called on its citizens in Iraq to leave the country immediately. It happened hours after the assassination of Iranian General Qasem Soleimani in a US missile strike in Baghdad, BTA reported.

President Donald Trump has said Iran will pay a big price after the US embassy in Baghdad's attack, BTA quoted France Press as saying.

Greece on Tuesday expressed "serious concern" over the escalation of violence in Iraq, while condemning recent strikes by the Kataib Hezbollah militia group against bases that host forces of the US-led coalition against the Islamic State in the region.

US military advisers have begun arriving in Baghdad to help the Iraqi army in fighting against the Sunni insurgency.

A total of 300 US military advisers and troops are expected to be stationed in Baghdad. Initially they will not be involved directly in the fighting, but will carry out surveillance and plan the combat operations, Al-Jazeera reports.