Keith Vaz, chairman of the Home Affairs Select Committee, says he has called Lincolnshire's Police and Crime Commissioner to question him over events which have happened over the last few months.
Alan Hardwick suspended Neil Rhodes, temporary Chief Constable of Lincolnshire Police, over "potential conduct matters".
Mr Rhodes returned to work after winning a High Court ruling against his suspension.
More top news
A man from Doncaster accused of having sex with a Shetland pony told detectives he was not sexually interested in animals.
Afternoon weather update
Winter returns for the weekend and into next week JON MITCHELL has the details.