Alton Towers is to remain closed for a third day following the rollercoaster crash that left four people seriously injured.
A total of 16 people needed medical treatment when the carriage they were in on The Smiler ride collided with an empty carriage, while travelling at around 20mph.
The Staffordshire amusement park said in a statement that officials from the Health and Safety Executive remained on the site as they continued to co-operate with the investigation reports Sky News.
A spokeswoman added: “Anybody with pre-booked tickets for Alton Towers tomorrow will be able to visit Thorpe Park, Chessington World of Adventures, Warwick Castle or Legoland Windsor as an alternative.”
It came as a man and a woman who were seriously injured in the incident were named as Daniel Thorpe, a hotel assistant manager from Buxton in Derbyshire, and Vicky Balch, 19, from Leyland in Lancashire.