, May 16 -- Iran's foreign minister Abbas Araghchi has said a lack of trust is the main obstacle in negotiations aimed at ending the war with the United States, while indicating that Tehran could welcome diplomatic support from countries such as China.

Speaking to reporters in New Delhi on Friday, Araghchi said mixed and contradictory messages from Washington had raised doubts in Tehran about US intentions. "We are in doubt about their seriousness," he said, adding that talks could move forward if the US agreed to a "fair and balanced deal."

His remarks came after US President Donald Trump dismissed Iran's latest formal proposal as "garbage." While reports suggested Iran had offered limited nuclear concessions, Trump has insisted on the...