Iran is considering asking Japan to act as a mediator in behind-the-scenes nuclear negotiations with the incoming Trump administration, Kyodo News reported, citing a senior official in President Masoud Pezeshkian's administration.

On Sunday, Iraqi newspaper Baghdad Alyoum reported that Iran received a message from US President-elect Donald Trump through Oman proposing high-level talks on issues including the nuclear file. No Iranian or US official commented on the report.

Meanwhile, US National Security Advisor Jake Sullivan on Sunday said the outgoing Biden administration is briefing Trump's team on the growing risk of Tehran pursuing the development of a nuclear weapon.