A senior Iranian official said on Saturday that proposals put forward by European powers at talks in Geneva about his country's nuclear programme were "unrealistic", suggesting that if they stuck to them it would be difficult to reach an accord.

Top diplomats from Britain, France and Germany met with Iran’s foreign minister in a last-ditch effort to avoid escalation in the Israel-Iran conflict.

Europeans and Iranians spoke at a summit in Geneva to try and find a diplomatic off-ramp to potential war in Iran. President Trump said he needs two weeks to decide on U.S. involvement. CBS News senior foreign correspondent Elizabeth Palmer reports and CBS News foreign policy and national security contributor H.