People who have small dogs have been warned to keep their pets inside after a chihuahua was snatched by a seagull from its owner's back garden. Gizmo, a four-years-old chihuahua, is still missing after a bird swooped down and carried the animal away in its beak. Becca Hill, 24, of Paignton, Devon, is hoping her pet will be found alive, and has asked locals to keep a lookout for it. "My partner was in the garden putting the washing out at the time and suddenly he saw it swoop down. It carried Gizmo a fair way as we couldn't see...