War on Iran: Tehran says Washington's latest proposal has 'narrowed the gaps'

There is cautious optimism as efforts to end the war between the United States and Iran reach a critical stage, with Pakistan in active mediation. Iran says gaps have narrowed, following talks between Pakistan’s interior minister and Iran's foreign minister in Tehran. The US Secretary of State has also pointed to “some good signs” in negotiations. Hira Mustafa reports from Islamabad.