@jasmincurti
He reserved his harshest criticism for the UK, citing its lack of participation and assistance in the US-Israeli strikes on Iran.
Trump said the US-UK relationship was "always the best" until "[Prime Minister] Keir [Starmer] came along".
He also said the war was a "great test" of the alliance's relations with the US.
But when asked if he was considering any retaliatory measures, the president said only that he had "nothing currently in mind".
Trump also complained that Nato allies had benefited from tens of billions of dollars in US backing for Ukraine to fend off Russia's invasion.
"We will protect them, but they will do nothing for us, in particular, in a time of need," the president said on social media.