A differently-abled 11-year-old boy, who was attacked by a group of stray dogs Sunday evening at Muzhappilangad near here, died at a hospital, police said.Nihal, a resident of Kettinakam, was found grievously injured around 300 metres away from his house and was taken to a nearby hospital but could not be saved, they said. "The boy with autism was missing from around 5 pm and a search party, comprising relatives, locals and the police, was looking for him in the locality. We found him around 8.30 pm near his house in a grievously injured manner and took him to the hospital," police said.