The United States and Iran held talks in the Swiss mountain resort of Bürgenstock after signing a memorandum of understanding earlier this week to pave the way for discussions. Iranian officials protested Trump's threats during the talks, and the Iranian delegation walked out in protest against those threats. According to abc_au, Trump threatened the Iranian delegation that they might not return home. According to thenews.com.pk, Trump also threatened to hit Iran very hard again, just like he did last week, only harder. According to independent.co.uk, Trump threatened to occupy Iran if the Strait of Hormuz was not immediately reopened. Iranian parliamentary Speaker Mohammad Bagher Ghalibaf stated that Iran's armed forces are ready to respond, and according to thenews.com.pk, Ghalibaf added that Iran does not take Trump’s threats seriously. Iran’s President Masoud Pezeshkian, according to abcnews.com, said his country would not give up its right to enrich uranium. The U.S. delegation was led by Vice President JD Vance, according to abcnews.com. According to abcnews.com, the U.S. launched major combat operations against Iran on February 28, involving joint U.S.-Israeli strikes targeting military, government, and infrastructure sites. According to independent.co.uk, Iran announced it would close the Strait of Hormuz after Israeli forces continued an all-out assault into Lebanon aimed at dislodging Hezbollah militants. According to irishtimes.com, Iran and the U.S. reached a draft agreement on a waiver to lift sanctions on Iranian oil exports, and Iranian officials claimed progress had been made on unfreezing Iranian assets in overseas bank accounts.