Leaders across European capitals are scrambling to work out what the withdrawal of US military aid means for Ukraine and Europe’s security as a whole. Led by UK Prime Minister Keir Starmer, a “coalition of the willing” has been formed to support Ukraine both financially and militarily. But will it be enough?

To help us answer that question, host Allegra Stratton is joined by Tom Tugendhat, a Conservative member of Parliament who previously served as security minister. He says the return of Donald Trump to the White House and his actions to distance America from Ukraine and Europe is a “9-11 moment—one of those moments where you have to rethink the fundamentals.”