This has caused disruption to trains between Worksop and Nottingham.
Trains may still be delayed by up to 20 minutes or cancelled while services return to normal.
Delays are expected until 3.30pm.
Ill passenger causes delays on trains
A passenger was taken ill on a train at Mansfield.
By The Newsroom
Friday, 20th April 2018, 3:46 pm
Updated Friday, 20th April 2018, 3:51 pm