Mr Chapman had suffered from ‘significant mental illness over a number of years’, his family added in a statement The family of William Chapman have paid tribute to their 'bright, warm and engaging' son after he was killed in a tiger attack as he entered the animal's enclosure Key points and original sources are listed below.

• Mr Chapman had suffered from ‘significant mental illness over a number of years’, his family added in a statementS1

• The family of William Chapman have paid tribute to their 'bright, warm and engaging' son after he was killed in a tiger attack as he entered the animal's enclosureS2

• William Chapman was attacked by the tiger after he entered its pen at Yorkshire Wildlife Park.S3

• William Chapman, who was in his mid-20s, visited Yorkshire Wildlife Park near Doncaster on Saturday and was attacked after entering the tiger enclosure.S4