NIZAMABAD: A sand lorry was set on fire and two other lorries were damaged by angry villagers after the sand lorry killed 12-year-old boy and injured his brother after knocking them down in Rudrur village in Varni mandal on Tuesday afternoon.Shadullah and Qasim were crossing the road after offering prayers in a nearby mosque when the lorry ran over them. Shadulla died on the spot, while Qasim received suffered fractures on his legs and hands.Enraged over the incident, relatives and family members of the boy set the lorry on fire and damaged windowpanes and tyres of two other lorries. They staged a rasta roko on the Varni-Rudrur main road stalling the vehicular traffic for over one hour demanding Rs 3 lakh ex-gratia to the kin of the deceased.