More US Republican senators say the Biden administration is taking advantage of the Russia invasion of Ukraine to seal the nuclear deal with Iran.

Senator Bill Hagerty said on Sunday that President Joe Biden hopes Russia’s invasion “offers a distraction while he enters another nuclear deal that gives Iran and its terrorist proxies tens of billions in sanctions relief”.

He added, “I assure you I am not distracted and will do everything I can to stop this bad deal”.

Slamming Biden over his response to President Vladimir Putin's deadly attack, Hagerty said Biden must "demonstrate resolve" because Putin only responds to "people that show a spine" and stand up to the authoritarian leaders in order to help the country fight back.

Senator Dan Sullivan, another Republican lawmaker, also said on Sunday that “the courageous struggle of Ukrainians has united the West to a degree that hasn’t been seen in a long time” and “Biden is aiming a sledgehammer at that unity by resuscitating the dangerous Iran nuclear deal”.

He added, “The Biden administration is desperate to revive the dangerous Iran nuclear deal, and the mullahs in Tehran know it”, stressing that “This is how bad policy is made”.

On Saturday, Senator Kevin John Cramer said the revival of the 2015 nuclear deal between Iran and world powers only emboldens Iran and endangers the security of the United States and Israel.