The film paints a deeply disturbing picture. A dark-skinned man stares menacingly and licks a huge knife. Flames explode out of burning cars on an urban street. Shrieking young rioters, their heads covered by hoodies, kick in a shop window.
An alarming soundtrack thunders as a solemn male voice asks: ‘Do you want this to happen in Poland . . . to stop being masters of your own country?’
The short clip championing stronger border controls could easily have been