Visakhapatnam,Dec 3:At least 16 people were killed on the spot and a few others injured when an iron ore-laden lorry turned turtle near Chatuva Railway gate in Araku valley in Visakhapatnam district on Thursday.According to police, the identities of deceased are yet to be ascertained.All the injured have been shifted to King George hospital in Visakhapatnam.Some of their condition is stated to be serious,according to hospital sources.Araku police have registered a case.