His comments came after the US President Donald Trump warned that Baghdad could be hit by sanctions "like they've never seen before" if US forces were forced to leave.
Iran also said Sunday that it would no longer abide by a 2015 agreement with the U.S.in which the country agreed to curb its development of nuclear weapons.
A furious Tehran has since announced a further step back from its commitments to the 2015 nuclear accord, leaving the future of the hard-fought pact in doubt.
Despite decades of U.S. -Iran enmity, Iranian-backed militia and U.S. troops fought side by side during Iraq's 2014-17 war against Islamic State, their common enemy. It is essential that we maintain the coalition in this regard.
David Moyes Is West Ham United's New Manager
David Moyes' return to West Ham United was confirmed on Sunday evening by the London club. David Moyes has returned to West Ham on a 18-month contract.
Iran's government has announced today that it would no longer abide by any limits on its enrichment of uranium, according to Iranian state TV, raising the risk that Iran will move toward a nuclear weapon and bound to antagonise the U.S. in the latest escalation of tensions between the two nations.
Iran's foreign minister said the targeting cultural sites would constitute a war crime and likened it to Islamic State's tactics. "However, the announcement is not consistent with the agreement", Maas said. Maas said in a statement on Sunday.
European countries have been pushing for talks with Iran to salvage the nuclear deal and the EU has invited Iranian Foreign Minister Mohammed Javad Zarif to Brussels for talks. The German Defense Ministry said late Sunday that a regular rotation of troops replacing some of those now in Iraq has been suspended.
Maas said Germany was ready to continue providing assistance in Iraq "if requested and the situation allows", and added that the fight there against ISIL is not over.
5 ways to help make your New Year's resolutions stick
She added that her goals are career driven as she is about to graduate and is looking for a steady job to support herself. If your resolution is to lose weight, be specific, such as: "I plan to lose 15 pounds by the end of the year".
Maas said he had spoken with his counterparts in France, Britain, Italy and the European Union, as well as with the head of North Atlantic Treaty Organisation and German Chancellor Angela Merkel.
Foreign Secretary Dominic Raab echoed the prime minister's statements later, after a meeting of senior ministers to discuss the crisis.
Iraq's parliament called on Sunday for USA and other foreign troops to leave amid a growing backlash against the US killing of a top Iranian military commander that has heightened fears of a wider Middle East conflict.
Johnson said he would not lament the death of someone who played a leading role in actions that led to the deaths of thousands of innocent civilians and Western personnel, but that "calls for retaliation or reprisals will simply lead to more violence in the region and they are in no one's interest".
Samsung Galaxy M21 details leaks ahead of official launch
The same smartphone with 64GB storage variant also received a price drop of Rs 1,000 last month. The 4GB RAM and 128GB storage variant of the smartphone has got a price cut of Rs 1,000.