Engineering work is taking place in the London St Pancras International area, closing some lines.
The 21:40 Nottingham to London St Pancras Inrenational and the 21:45 Sheffield to London St Pancras International services will terminate at Luton.
The 00:15 London St Pancras International to Derby and the 05:27 London St Pancras International to Sheffield services will start at Luton.
You should use Thameslink services between London St Pancras International and Luton for connections.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner