These guys are very inventive, I must say:
With Ulez cameras being stolen, toppled or painted over throughout the capital, the Labour Mayor has deployed vans with cameras mounted on their roofs. Some of the Transport for London (TfL) vehicles have been vandalised with paint, their tyres deflated and their cameras covered.
“Blade Runners” who have been vandalising the scheme’s infrastructure have been boxing in the vans with much larger vehicles to block the line of sight of the automatic number plate cameras.