A file photo taken on March 25, 2012 shows Taronga Zoo's elephant calf Pathi Harn after his miracle birth after being pronounced dead during labour and which caused a nationwide sensation, in Sydney.  A female keeper was rushed to hospital in a critical condition on October 19, 2012, after being pinned against a bollard by Pathi Harn at the Zoo. The zoo said the woman was conducting a routine training session when "a young male elephant pinned the female keeper against a bollard"  (AFP photo / Greg Wood)