Russia is warning that the Iran nuclear deal is in danger of “falling apart” without compliance from the United States and European Union, The Associated Press reports.

Russian Foreign Minister Sergei Lavrov on Monday said because of the “destructive line that Washington keeps towing,” the agreement “is in danger of falling apart.”

Speaking after a meeting with his Iranian counterpart in Moscow, Lavrov added that “colleagues from the European Union” were also not complying fully with the deal.

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Made between Iran, Britain, China, France, Germany, Russia and the United States, the 2015 Iran nuclear agreement relaxed sanctions on Tehran and in return the country curtailed its nuclear program.

But last year the United States withdrew from the Obama-era deal after the Trump administration argued that it wasn’t broad enough and didn’t cover all of Iran’s malign activities. Washington instead implemented economically devastating sanctions on Tehran’s international oil sales.

Tensions between the two countries have since intensified, with Undersecretary of Defense for policy John Rood earlier this month warning that there were indications that Iran may soon attack U.S. forces or interests in the Middle East.

Since then, an American contractor was killed and several U.S. service members and Iraqi personnel were injured in a Friday rocket attack in northern Iraq, which Washington blamed on Iran-backed militias. The U.S. launched five airstrikes targeting such forces in Iraq and Syria on Sunday.

Russia, however, believes it is Western governments that have added fuel to the fire with the sanctions.

Lavrov said Russia would demand full compliance from the United States and the EU in the nuclear agreement or it should be viewed as “no longer existing.”