Signalling problems causing disruption on rail line between Doncaster and Sheffield

A signalling problem is causing disruption to train services on the line between Sheffield and Doncaster this morning.
Trains.Trains.
Trains.

Northern Rail tweeted at ust after 7am that the issue is in Goole but is causing delays to services running between both Hull and Sheffield, and Hull and Doncaster.

Staff at the rail firm are working to fix the problem.