Trump threatens Iran over Hezbollah-Israel conflict as Vance meets delegations in Switzerland

Vice President JD Vance meets with officials from Pakistan, Qatar and Iran for talks in Lucerne, Switzerland as Iran threatened to close down the Strait of Hormuz after Israel's strikes on Lebanon. NBC News' Keir Simmons and Gary Grumbach report on President Donald Trump's intentions to reset relations with Tehran and his threats to attack again if the Hezbollah and Israel conflict escalates.