A fault with the signalling system in the Grindleford area means all lines are blocked. Trains running between Sheffield and Manchester Piccadilly may be cancelled, delayed or revised.
Disruption is expected until 23:00.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
Twitter:
If you would like to follow this incident on Twitter, please use #Grindleford
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.