Lord Cameron has insisted there are no circumstances in which he would consider becoming prime minister again. 

The Foreign Secretary, who left No 10 in 2016 in the wake of the Brexit referendum, said he was “very happy” in his current role and he believed Rishi Sunak is an “excellent boss”. 

Mr Sunak has faced persistent speculation in recent months over his leadership, with the Tories languishing in the opinion polls and failing to gain ground on Labour. 

Asked under what circumstances he would consider becoming premier again, Lord Cameron told Sky News this morning: “None… I am very happy to be working as Foreign Secretary.

“Rishi is an excellent boss, he knows his own mind, he is always the best briefed person in the room, he has got a phenomenal brain. 

“And on issues like this actually he is a brilliant diplomat as well as a great leader so it is a pleasure to work for him.” 

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