DAVID Cameron's allies warned his renegotiation of Britain's EU membership would not be enough to win June's referendum but "refused to budge", it has been claimed.

The former Prime Minister and Witney MP "concluded a campaign based on fear and defending the status quo was enough", according to Ed Balls.

Mr Balls, who was Labour's shadow chancellor from 2011 to 2015, said George Osborne, former Chancellor and Mr Cameron's right-hand man in government, voiced private concerns voters would not support "more of the same".

In his new memoirs, Speaking Out: Lessons in Life and Politics, Mr Balls writes: "Cameron ignored what happened in the Scottish [independence] campaign. In the final days, all the UK political leaders made a public vow they would deliver more devolution.

"In the later stages of the EU referendum... key figures in the Labour and Remain campaigns knew something had to be done.

"I believe, based on our conversations, George Osborne did too but David Cameron refused to budge from his view that his renegotiation was sufficient."