Campaigners have handed in a 23,000-name petition to the government demanding the East Coast Main Line be kept public.
They claim it does not make financial sense to hand a profitable service over to a private firm.
Lilian Greenwood, MP for Nottingham South and shadow Rail Minister, told ITV News Central she hopes the government will listen to what passengers have to say.
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Derbyshire Constabulary has referred itself to the Independent Police Complaints Commission.
Cloudy and dry tonight. Brighter tomorrow.
Cloudy and humid overnight Some warm sunshine developing tomorrow.