The U.S. presidential candidate – Mitt Romney – has questioned Britain’s readiness for the Olympics.

He told an American network there were “disconcerting” signs following the debacle over security.

The British Prime Minister’s hit back – insisting Britain will show the world what it’s capable of achieving.

But when Mr Romney met the British Labour leader – Ed Miliband – earlier today, his tone was a little less critical.

He began by talking about the mix-up surrounding the Korean flags at last night’s football match.

Here’s what Mr Romney told NBC News last night: