In the email to the constituent, the MP for Worthing East and Shoreham referred to the man's "whingeing self-serving poisonous bollocks that seems to have become your hallmark".

BBC: Tim Loughton

In the email to the constituent, the MP for Worthing East and Shoreham had referred to the "whingeing self-serving poisonous bollocks that seems to have become your hallmark" and said the word unkempt was "eminently accurate".

BBC: MP Tim Loughton 'sacks' constituent after racism row

Mr Benn's son Hilary is currently the environment secretary, while 18-year-old granddaughter Emily is the Labour candidate for East Worthing and Shoreham for the next general election.

BBC: I want to be an MP again - Benn