The president says the US does not use the Strait of Hormuz but it will help other countries police it "if asked".
Keir Starmer's decision comes after Donald Trump berated his Nato allies as "cowards" for not getting involved in securing the key oil shipping route.
Keir Starmer's decision comes after Donald Trump berated his Nato allies as "cowards" for not getting involved in securing the key oil shipping route.