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The United States Congress is poised to approve tough new sanctions on Russia, Iran and North Korea this week after reaching a compromise deal, which the White House indicated Sunday it could support, AFP reported.

In mid-June, the Senate overwhelmingly passed tough sanctions on Moscow and Tehran, but the text stalled in the House of Representatives, until agreement was reached on Saturday.

The House is now set to vote Tuesday on a bill that targets Russia for its alleged meddling in the 2016 presidential election and its annexation of Crimea, as well as Iran and North Korea, for its recent ballistic missile tests.

Trump initially resisted the legislation, which would prevent him from unilaterally easing penalties against Moscow in the future, effectively placing him under Congress's watch.

But faced with near-total consensus among Republican and Democratic lawmakers, the White House changed course on the bill, according to AFP.

"We support where the legislation is now, and will continue to work with the House and Senate to put those tough sanctions in place on Russia until the situation in Ukraine is fully resolved," new White House press secretary Sarah Huckabee Sanders told ABC's "This Week" news program.

"The original piece of legislation was poorly written," she added.

Iran last week blasted the United States over the new bill, which also imposes sanctions on the Revolutionary Guards (IRGC), threatening U.S. military bases in the region.

“Drawing an analogy between the IRGC and terrorist groups and imposing the same sanctions (used against terrorists) on the IRGC would be a big risk to the U.S. and its bases and forces stationed in the region,” said Major General Mohammad Hossein Baqeri.

He added that a Congressional bill seeking to apply terrorism-related sanctions to the IRGC is a “wrong U.S. calculation”, and said that Iran has always stood up against the world hegemonic system, especially the U.S., and has boosted its capabilities.

The Trump administration had previously imposed new sanctions on 25 individuals and companies connected to Iran's ballistic missile program and those providing support to the Revolutionary Guard Corps' (IRGC) Qods Force.

The sanctions came in response to a ballistic missile test conducted by Iran, in violation of UN Resolution 2231, which bars Iran from conducting ballistic missile tests for eight years and which went into effect after the nuclear deal between Iran and the six world powers was signed.