They're a treat most of us enjoy but they can be lethal if they're eaten by dogs. Easter eggs, and in fact many types of chocolate, contain a chemical which can make family pets seriously ill. Last year vets at one charity treated 400 dogs which became unwell. Richard Jones reports.
VIDEO: There are calls for a test before people are allowed to take on an animal. Sarah Saunders reports from a vet's surgery in the Medway Towns.