One: Imam who is doing sermon may give orders, forbid, and explain the law of an issue relating to events in the mosque. That cannot damage the validity of the sermon, in fact it is considered part of the sermon.
Two: The hadith explains about the suggestion to perform Tahiyatul Masjid prayer for people who enter the mosque. I explained that.
All Readers! That is a brief explanation of Friday prayer sermon. If you want to ask, please ask!
I think that is enough for this article. May be useful!
See you again in the next article!
Hasan Sulaiman an-Nuri and Alawi Abbas al-Maliki, Ibaanatu al-Ahkaam Syarhu Buluughi al-Maraam, Vol. II, Dar al-Fikr Publishing, Beirut, 2004, p. 63-64.