Let a bunch of pigs loose in ‘em. That should do it.
Pigs may get their attention but I would like to suggest a way which will really clean these rats from their hate mongering nests.
Get Fire Trucks and fill them full of beer. Then go and hose down these infected Mosques from top to bottom. There are over 33 major Mosques in the Paris area
Viva France
Spray the area using helicopters spewing aerosols pork rinds..
During services, and seal the doors.