Trump mulls Nato withdrawal, stopping weapons to Ukraine over lack of support for Iran war Submitted by MEE staff on Wed, 04/01/2026 - 19:33 US president threatens to quit decades-old European alliance, as he fails to address Iran's control of Strait of Hormuz US President Donald Trump, right, speaks with Nato secretary general Mark Rutte during a bilateral meeting on the sidelines of the World Economic Forum in Davos, Switzerland, on 21 January 2026 (Mandel Ngan/AFP) Off US President Donald Trump plans to lambast Nato in his address at the White House on Wednesday night local time, in the latest sign that the US-Israeli war on Iran is causing fissures in the West's premier alliance. Trump will announce during his primetime address that he is considering withdrawing from Nato, out of disgust with the alliance's response to Iran’s wresting control of the Strait of Hormuz, he told Reuters. Trump told Reuters he was “absolutely without question” considering withdrawing from the alliance. He previously told The Telegraph his decision was “beyond reconsideration”. On Wednesday, The Financial Times reported that Trump was threatening to stop the supply of weapons to Ukraine as a way to pressure Europeans into joining a coalition that would reopen the Strait of Hormuz. Trump has started giving impromptu telephone conversations to media publications by phone amid the US-Israeli war on Iran. He has vented his frustration with European countries, particularly the UK, for refusing to join in the attack on Iran. Nato, officially the North Atlantic Treaty Organisation, is the bedrock of the US security umbrella. The 77-year-old alliance was formed in the aftermath of WWII. The Senate ratified the US’s entry in 1949. Under the US Constitution, the Senate approves treaties, but it is less clear which branch of government has the authority to terminate them. A law passed in 2023 by Congress prohibits the president from unilaterally withdrawing from Nato