Services on East Midlands trains which were disrupted this morning have started again.
The company says there will still be residual delays whilst they get services back to normal.
An investigation is continuing into a low-speed train crash at Norwich station which left eight people with minor injuries. The investigation is being led by the Rail Accident Investigation Branch.
The Greater Anglia service from Great Yarmouth collided with an empty East Midlands train at the platform at around 12:25 on Saturday morning. 31 passengers were on board.
Watch Serena Sandhu's report on this morning's train crash at Norwich Station:
All eight passengers who were injured in a low-speed train crash at Norwich Station have now left hospital.
A spokesman for the Norfolk and Norwich Hospital said the passengers had received minor injuries. One man who was kept in overnight has now been sent home.
"Last night the 23.34 Great Yarmouth to Norwich service struck an empty, stationary train on arrival at Norwich station. The train arriving at Norwich was travelling at very slow speed.
There were 31 passengers on board. Eight passengers have sustained injuries which are being described as minor.
Our first priority has been and remains the welfare of the passengers and traincrew involved. An investigation into the incident led by the Rail Accident Investigation Branch (RAIB) is underway and we are assisting them with their enquiries."
Both trains involved in a crash at Norwich station today "remained upright and on the tracks", the British Transport Police (BTP) has confirmed.
A spokesman for the BTP said: "The collision took place at very slow speed and both trains remained upright and on the tracks.
"Eight passengers have sustained injuries which are being described as minor.
"An investigation has been launched, enquiries are ongoing to establish the full circumstances surrounding the incident.
"Anyone with any information which can assist the investigation is asked to contact British Transport Police on Freefone 0800 40 50 40, or text 61016."
Eight passengers have suffered minor injuries after a low-speed train crash at Norwich station.
The crash happened at around 12.25am on Sunday.
The 23:34 Greater Anglia Train from Great Yarmouth to Norwich collided with a stationary East Midlands train, which was already in the station.
There were 31 passengers on board the Greater Anglia train, plus the driver and conductor. It's thought that 8 passenger received minor injuries.
Were you on board the train? Call the newsdesk on 084488 16818.
Some rail commuters are facing delays of up to 90 minutes this morning.
Yesterday, major damage to overhead wires was reported.
That affected Southeastern, East Midlands Trains and First Capital Connect services.
Network Rail are reporting that trains are currently unable to run between Luton Airport Parkway and West Hampstead.
First Capital Connect has said there are delays on trains out of Bedford and Luton of up to 90 minutes.
Delays of up to 20 minutes on East Midlands Trains and Greater Anglia Trains between Norwich and Ely due to a problem at a level crossing caused by snow between Norwich and Thetford.