Rishi Sunak has brushed off any suggestion he should "unleash a torpedo" to remind Boris Johnson who's Prime Minister.
The jet-setting former Tory leader has been active on the world stage in recent weeks, meeting politicians in Ukraine and the US despite holding no role in government.
He's been a thorn in Mr Sunak's side, criticising the government for not sending fighter jets to Ukraine amid speculation he's maintaining his profile for a future leadership bid.
