The RMT union have announced strikes on East Midlands Trains on Saturday 1, 8 and 15 August.
This affects trains to St Pancras only, EMR Regional services are not affected.
EDIT (27 July)- Services will run as follows-
East Midlands Railway Intercity and Connect services will operate between 07:00 and 19:00 only.
Intercity:
1 train per hour will operate between London St Pancras International and Nottingham- From St Pancras at 5 minutes past each hour 0805 to 1705, from Nottingham at 12 minutes past each hour 0812 to 1612.
1 train per hour will operate between London St Pancras International and Sheffield- From St Pancras at 32 minutes past each hour, the 1632 and 1732 (last train) terminate at Derby, from Derby at 0732 and 0832, from Sheffield via Derby at 0900 and hourly to 1600.
Connect:
1 train per hour will operate between London St Pancras International and Corby, From St Pancras at 45 minutes past each hour, last train at 1545, from Corby at 10 minutes past each hour 0810 to 1710