 While the legal arguments for their legitimacy is a subject for heated discussions, recent years have seen a huge spread of such VIP vehicles.Blue flashing lights can nowadays be seen not only on senior government officials' vehicles, but on cars of businessmen and celebrities like Nikita Mikhalkov, many of whom acquire the flashing lights via clandestine channels and/or bribes.Their use has also been controversial, journalists and internet users have spotted such lights on cars being used for leisure activities and ordinary commuting of government servants and celebrities, and being used by their families.