Catherine Shaw: Appeal launched for British backpacker missing in Guatemala

The parents of a 23-year-old British backpacker missing in Guatemala say they are "desperately worried" about her as they released a video urging her to get in touch.Catherine Shaw, from Witney, near Oxford, was last seen on 4 March and reported missing the day after.In a statement released through the Lucie Blackman Trust, which is supporting the family, her parents said they have been "desperately worried" since she disappeared.