Director of the National Centre for Reptile Welfare Chris Newman praises Tracey Johnson who leapt into a crocodile enclosure at the family's zoo to rescue a child who was thrown in. Mr Newman confirmed Ms Johnson did not suffer any injuries and added: "Knowing Tracey, it's absolutely what I would expect her to do. It's incredibly heroic what she did." Report by Kennedyl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn