Iran has committed a new breach of its nuclear deal with major powers by enriching uranium with advanced centrifuges, and plans to install more of those advanced machines than previously announced, a U.N. nuclear watchdog report showed on Thursday.

"On 25 September 2019, the Agency verified that all of the (centrifuge) cascades already installed in R&D lines 2 and 3 ... were accumulating, or had been prepared to accumulate, enriched uranium," the International Atomic Energy Agency (IAEA) said in the report to member states obtained by Reuters.

Iran got into the deal – formally known as the Joint Comprehensive Plan of Action (JCPOA) – in 2015 alongside six countries; the U.S., France, U.K., China, Russia and Germany.

The deal was struck after two years of negotiation, aimed at restricting Iran’s ability to develop nuclear weapons in exchange for lifting economic sanctions.

In the latest update, IAEA has accused Tehran of installing more advanced centrifuges and was moving toward enriching uranium with them.

The Iranian government’s move to breach the restrictions of the JCPOA is in response to a May 2018 move by President Donald Trump to withdraw the U.S. from the agreement.

On its part, the Asian country informed the IAEA in a letter dated September 25 that it is reconfiguring its enrichment setup to add clusters of centrifuges including a 164-machine cascade of IR-6s.

World leaders have called upon President Trump and President Rouhani to meet for negotiations to de-escalate the current situation.