Washington DC, Sept. 29 -- US Secretary of State Marco Rubio on Monday (local time) said that US President Donald Trump acted to prevent Iran from reaching a "line of immunity", where Tehran could build up enough missiles, drones and other weapons to make military action against its nuclear programme far more difficult, Fox News reported.

In an interview with Fox News, Rubio said that Iran's broader strategy was to strengthen its conventional arsenal, deter outside intervention and then move towards a potential nuclear breakout.

"That's what the President prevented," Rubio said. "He saved the world a tremendous amount of trouble."

His remarks come as a US official on Monday (local time) told CNN, said that US President Donald Trump is ...