A man has been arrested on suspicion of attempted murder after a three-year-old boy ended up in a crocodile enclosure at a zoo in central England on Thursday, resulting in him sustaining critical injuries, police said.Cambridgeshire Police said officers were called following reports of an incident at Johnsons of Old Hurst, a zoo near Huntingdon, Cambridgeshire, which resulted in the boy being in the enclosure.The child has been taken to hospital with serious injuries and is in a critical...