Ukip's candidate for the Newark by-election has denied claims he assaulted a protester while he was on campaign trail.
Roger Helmer, who is currently the MEP for East Midlands, disputed the allegations made on Twitter by Labour MP John Mann.
Mr Mann tweeted:
Shortly afterwards Mr Helmer, who is currently MEP for the East Midlands, wrote on the social networking site:
ITV News Political Correspondent Paul Brand, who has seen video of the alleged incident, then spoke to Mr Helmer:
He later wrote:
Asked about the alleged incident, the local police force said they were "making enquiries":