Britain's Got Talent viewers were heartbroken to see host Ant McPartlin fight back tears during last night's show, after one particularly touching performance got the waterworks going.Miracle the pooch, and his owner Amanda Leask, appeared on the stage before the panel of judges, acting out a routine inspired by the dog's rescue.Poor Miracle had been caged alongside 1,000 other dogs, destined for the Thai meat trade when Amanda discovered him.She brought him back to the UK, with the loveable pup forming a close friendship with her son Kyle, who suffers from autism and cerebral palsy.Telling their story last night, Amanda appeared on the stage with a puppet version of Miracle, reenacting the moment she found him in the cage.Highlighting the
