According to Xinhua News Agency, former US President Donald Trump confirmed on September 28 that US and Iranian negotiators have exchanged messages through mediators. On the same day, Trump denied previous reports that he was willing to lift sanctions on Iran and unfreeze funds in exchange for progress on the nuclear issue. According to CCTV International News citing Iran's Mehr News Agency on September 29, Iranian Foreign Minister Araghchi confirmed that a "7-day plan" had been conveyed to the United States via Qatar, and they are awaiting an official response from the US side. Trump had stated on September 27 that he expected US-Iran negotiations to resume within the next week. Oil prices rose for a second consecutive trading day due to Middle East supply concerns, with Brent crude futures briefly returning above $100.