Live updates: Iran security chief Ali Larijani rejects U.S. talks, blames Trump for 'chaos'

The U.S.–Israel conflict with Iran is intensifying, with Tehran's security chief on Monday saying that negotiations with Washington were off the table . Prospects of an escalation in Middle East tensions sent oil prices surging , with U.S. crude as well as global benchmark Brent rising more than 8%, before paring some gains, as investors assess risks to supply disruption. Safe‑haven gold climbed, while U.S. futures and Asian equity markets fell across the board. Iranian state media reported more than 200 people were killed in Iran, while the U.S. has confirmed three American service members have died and five seriously wounded. President Donald Trump has warned of further American casualties and said the conflict could last up to four weeks, though also claimed Iran's new leadership wants to resume negotiations, without specifying any details. The strikes have, meanwhile, rekindled debate in Washington over presidential war powers. The death of Iranian Supreme Leader Ayatollah Ali Khamenei has left Iran in a sensitive leadership transition, with a temporary council, comprising senior cleric Ayatollah Alireza Arafi and President Masoud Pezeshkian, among others, assuming control. Read more U.S.-Iran news Follow CNBC's live coverage of the U.S.-Israel strikes in Iran WTI oil prices jump on fears Iran attack will lead disruption What travelers need to know after the U.S., Israeli strikes on Iran Iran after Khamenei: What's next and what it means for the country? Iran may 'lash out harder' following Khamenei's death How the attack on Iran could impact global oil market and economy What we know as markets brace for turmoil 22 Min Ago Iran security chief Ali Larijani rejects U.S. talks, blames Trump for chaos Iran's security chief Ali Larijani attends a ceremony by the Lebanese Shiite movement Hezbollah marking the first anniversary of Israel's assassination of their longtime leader Hassan Nasrallah, in Beirut's southern suburbs on September 27, 2025. Anwar Amro | Afp | Ge...