As it relates to non Muslims entering the Masjid, there are those who claim that it’s permissible for them to enter the Masjids, perhaps Allaah will guide them.
Category: Non-Muslims
Allowing non-Muslims into the Masaajid
So the call to Allaah can be to a single individual or to a group of people in the Masaajid, in club organizations, in universities, in schools or any other place.