U.S. President Donald Trump's letter to Iran's clerical establishment will be delivered by Anwar Gargash, diplomatic advisor to the president of the United Arab Emirates, Iran's foreign ministry spokesperson said on Wednesday.

China said it would host nuclear talks with Iran and Russia, days after US President Donald Trump urged Tehran to negotiate a new deal over its atomic work or face military action.

With sanctions squeezing its economy, Iran is exploring the possibility of talks with the United States while resisting pressure to make major concessions.Since returning to the White House in January,

U.S. President Donald Trump's letter to Iran's clerical establishment "will soon be delivered to Tehran by an Arab country," Iranian Foreign Minister Abbas Araqchi said in televised remarks on Wednesday.

China will host high-level talks with Russia and Iran in Beijing this week to address Tehran's nuclear programme amid growing international concerns and heightened regional tensions. China's foreign vice-minister Ma Zhaoxu will chair the trilateral meeting on Friday,

Iranian Foreign Minister Abbas Araghchi announced on Wednesday that US President Donald Trump has sent a message, but Tehran has yet to receive it. He stated that it is expected to reach them through an Arab country.

Iran says it would consider negotiations with the United States if talks were confined to concerns about the militarization of the country’s nuclear program.

President Masoud Pezeshkian said Iran would not negotiate with the U.S. while being threatened, telling President Donald Trump to "do whatever the hell you want", Iranian state media reported on Tuesday.