Mr Yusuf's attack on Sir Ben, who was a British Army officer before entering politics, was branded 'unacceptable' by a fellow senior Reform figure.

Mr Yusuf's attack on Sir Ben, who was a British Army officer before entering politics, was branded 'unacceptable' by a fellow senior Reform figure.

The Reform UK leader admitted the comments by Mr Yusuf, his party's home affairs spokesman, were 'over the top' and 'too strong'.