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."
More top news
Winds will become strong this weekend and we can expect to see some showery rain at times
Care homes in the East of England have warned that spiralling costs could leave some people without any care.
A fund raising appeal launched by the Duchess of Cambridge has raised £2 milion to build a new children's hospice in Norfolk.