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
Silverstone managing director Richard Phillips, along with two other senior executives have been suspended.
The RSPCA is appealing for information after three cats were dumped in a lay-by in a sealed recycling box in Essex.
Police have tweeted pictures of a lorry crash on the A1(M) near Peterborough