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.
Lincolnshire's Police and Crime Commissioner Alan Hardwick has been summoned to appear before the Home Affairs Select Committee today.
He will be questioned over events which have taken place since he took up the office last year. He could be questioned over his suspension of temporary Chief Constable Neil Rhodes.