Police and other emergency services personnel have arrived at the Pontanézen area in the French city of Brest after a shooting not far from the mosque took place on Thursday, France 3 reported.
The incident has seriously injured at least two; both of the victims were rushed to a hospital.
Later in the day, the French media outlet Franceinfo Plus said that the man behind the Thursday shooting committed suicide. Earlier, it was reported that he was on the run.
The incident reportedly took place at around 16:30 pm local time.