One world calls the police to report they are being robbed, and sees the police show up to intervene, hopefully early enough to catch the criminals in the act. The other world sees the police as the ones doing the trespassing. Thugs “victimized” by police now summon a veritable locust swarm of fellow gangsters to “rescue” fellow youths from their “emergency”: being arrested.
Case in point, this story from Grande-Borne, of two emergency response teams, colliding from opposite ends of the scales of justice [hastily translated by myself]:
Clashes opposed fifty youths against police officers Sunday afternoon in the sensitive neighborhood of Grande-Borne, in Grigny (Essonne), following the hold-up of a bakery. Around 3:30 pm, a dozen youths attacked the establishment located in the Grande-Borne neighborhood. Just as they were getting ready to leave with the contents of the cash register, the police intervened, said a judicial source. Several of [the youths'] comrades then appeared as reinforcements and began hurling stones and empty bottles against the police, which served to shield the flight of the thieves.
The police reported sporadic clashes that left no one wounded. Suddenly the youths took flight while setting fire to a garbage can. There were no arrests…
[I've lost track of which French blog I first read this story... I'll play it safe and credit the indefatigable BafWeb, the most comprehensive French news site I visit every morning]