Von der Leyen warns UK that EU will not hesitate to act if Brexit deal breached

Ms von der Leyen said: “We know it will not always be easy and there is a lot of vigilance, diligence and hard work ahead"

European Commission president Ursula von der Leyen. Picture: Olivier Hoslet, Pool via AP

The European Union’s top official warned that the Brexit trade deal has “real teeth” and Brussels will not hesitate to take action if Boris Johnson breaches its terms.

European Commission president Ursula von der Leyen said she hoped the EU would not have to use the measures contained within the agreement.