Footage of 2011 Longleat Adventure Park train crash emerges
21 August 2014 Last updated at 14:38 BST
Longleat's miniature train, which came off its track on Wednesday injuring several people, previously derailed three years ago.
Footage filmed by Peter Hook from Bristol, a visitor to the park in 2011, shows an earlier derailment on the safari park's Jungle Express train track.
Longleat apologised to Mr Hook and said the safety of visitors is its "highest priority",