article_snippet.sent: Julia Cambridge, who is running against Mr Perkins in Chesterfield, said: 'This smacks of utter hypocrisy. '
article_snippet.sent: Mr Perkins, who was first elected MP in 2010, is defending a narrow majority of just 500 votes over the Lib Dems in Chesterfield.
article_snippet.sent: Julia Cambridge, a Lib Dem who is running against Mr Perkins in Mr Perkins Chesterfield constituency .