Trains delayed because of vandalism on South Yorkshire railway
Operators affected said a train struck an object thrown onto the line by vandals at Swinton this morning.
CrossCountry, East Midlands Trains, First TransPennine Express and Northern Rail have services disrupted between Doncaster and Sheffield.
Trains between Moorthorpe and Sheffield are unable to run via Swinton, but some services between Doncaster and Sheffield will be diverted.
Some services between Leeds and Sheffield may be diverted, not calling at stations between Leeds and Meadowhall.
Replacement bus services are running between Meadowhall and Doncaster and Meadowhall and Moorthorpe.