TEHRAN, Nov. 5 (Xinhua) -- Iranian President Hassan Rouhani on Tuesday announced the country's fourth step to reduce its commitments to the 2015 landmark nuclear deal, official IRNA news agency reported.

"As of tomorrow, Iran will start to inject gas into the centrifuges installed in Fordow (nuclear facility)," Rouhani was quoted as saying.

"The International Atomic Energy Agency is aware of Iran's new move and will continue to monitor" Iran's nuclear activities, he added.