A safety accessory (12) for a passenger vehicle (10) includes a protective structure (14) which is receivable within a passenger compartment (22) of the vehicle for defining a protected region (20) in which passengers conveyed in the vehicle are positioned in use, the protective structure having at least one roof portion (16) and a pair of opposed side portions (18). The accessory includes a fastening means which is arranged on the protective structure for fastening it to a suitable part of the vehicle. The invention also relates to a passenger vehicle.
