Non-Muslims entering the Masjid/Markaz
Chapter: Polytheists (Mushriks) entering the masjid.
Saeed ibne Abee Saeed (R.A) narrated, that he heard Abu Huraira (R.A) saying- “Prophet (S.A.W) sent a group of horsemen towards (a place called) Najd, they brought along with them a man from the Banu Haneefa (tribe) by the name Thumama who was the son of Uthal. They fastened him to one of the pillars of the masjid. (In the masjid)
(Shahih Al- Bukhari)