The facts occurred late last night in the town of Anzin, in the North.
A police officer was "seriously injured" after being hit during a refusal to comply, according to police sources.
The driver allegedly refused a customs check and fled.
La Voix du Nord, citing witnesses, evokes a chase at the end of which the fifty-year-old police officer was hit by an Audi.
This policeman, whose vital prognosis is not engaged, was injured in the back, indicated the Departmental Directorate of Public Security (DDSP) of the North.
A police source for his part indicated that he was "seriously injured in the legs".
The driver of the vehicle was arrested and taken into custody.