Police, ambulance and fire crews were in attendance between Eaglescliffe and Thornaby stations from around 11pm on Tuesday night. The incident forced disruption to Grand Central services between London King's Cross and Sunderland, as well as Northern services between Middlesbrough and Newcastle and Saltburn and Darlington. National Rail said: "The emergency services have safely completed their work in the Eaglescliffe area allowing all lines to reopen. However, passengers have been warned services between Middlesbrough and Newcastle and Darlington and Middlesbrough or Saltburn could still be cancelled or delayed while timetables recover. The Northern Echo have contacted the emergency services for statements on the incident.