Johnsons of Old Hurst in Huntingdon, Cambridgeshire, said everyone involved - including staff, paramedics and visitors - had acted with 'incredible speed and determination'.

The boy was taken to hospital in critical condition after the incident at Johnson’s of Old Hurst and remains there in stable condition after undergoing multiple surgeries

The boy's family have also spoken out for the first time to 'thank staff at the zoo' and say they are 'grateful for the public support'.