Frantic zoo keepers in Tenerife rushed to call an ambulance after a vet shot a tranquilizer dart at a man dressed as a gorilla. Police on the Spanish island received a call from a panicked member of the public, who said that a gorilla had escaped from its pen in Loro Park zoo, and was seen running around the theme park. A vet was called, and on spotting the creature fired a tranquilizer dart at its leg with enough sedative to fell a 200kg beast. But to his horror, the vet - who had only been in the job for...