Police in the UK said on Thursday that a man had been arrested on suspicion of attempted murder after a three-year-old boy "ended up in the crocodile enclosure" at a zoo.
Cambridgeshire Constabulary said the toddler had sustained "serious injuries" and was in a "critical but stable" condition at Addenbrooke's Hospital in Cambridge.
It did not specify how the injuries had been inflicted and whether they were from a crocodile.
"A 30-year-old man from Norfolk has been arrested on suspicion of attempted murder," the police force added, noting specially trained officers were supporting the boy's family at the hospital.
It said detectives from its major crime unit were investigating the incident at Johnsons of Old Hurst, a zoo, farm shop and cafe around 32 kilometres northwest of Cambridge.
