Senate Republicans say there are many unanswered questions about the deal and question inclusion of funds for Iran

The US vice-president, ⁠JD Vance, has said a number of issues still need to be figured out with Iran, as many Republicans expressed scepticism of the agreement reached this week by Donald Trump, and pressed the White House to release more information about it.

The memorandum of understanding (MOU) announced Sunday to end the war in Iran, set for a ceremonial signing on Friday in Geneva, is centred around reopening the strait of Hormuz and lifting the United States’ naval blockade in the region, along with financial incentives for Iran if it meets certain benchmarks.

This live blog is now closed.

• Sign up for the Breaking News US email

Donald Trump’s immigration crackdown is largely targeting people from the countries most vulnerable to displacement from climate-driven disasters, a Guardian analysis shows.

As the Trump administration pushes policies to boost planet-heating fossil fuels, millions of people are being forced to flee their homelands due to storms, floods and droughts worsened by the climate crisis.

Vice-president says he tries not to make decisions until he ‘absolutely must’ but has ‘no doubt’ Trump will support him

JD Vance said that he will discuss a 2028 US presidential run with his wife after the 2026 midterms.

The US vice-president gave insight into his ongoing decision on whether to run during an interview with CBS Sunday Morning where he spoke on his new memoir, Communion: Finding My Way Back to Faith, which details his conversion to Catholicism.