Are US and Iran close to a war-ending agreement?

Are US and Iran close to a war-ending agreement? Officials from the United States, Iran and Pakistan have all expressed optimism in recent hours that a deal to end the war is nearing completion. Pakistan’s military - a key intermediary between Washington and Tehran - said negotiations over the past 24 hours had produced encouraging progress towards a final understanding, as army chief Field Marshal Syed Asim Munir concluded talks in Tehran with senior Iranian officials.