Thousands of Muslims now attend "Assalaatu" on Sundays, and it has become a weekly habit for them. This is a Bid'iah (innovation), and the Prophet (saw) has advised us not to introduce it into Islam. Furthermore, ALLAH the Exalted finished this religion FOR THE PROPHET, suggesting that everything not done by the prophet and the four Caliphates is not part of Islam.
In the Hadeeth narrated by Aa’ishah (may Allaah be pleased with her), who said, The Messenger of Allaah (peace and blessings be upon him) said: *“Whoever innovates something in this matter of ours (i.e the religion) that is not part of it will have it rejected.”* Reported by al-Bukhaari, Fath al-Baari, no. 2697. The above Hadeeth should deter every reasonable Muslim from innovations of all kinds. Yet, some ignorantly blindfollow their sheikhs, affiliated Jama’ah, or the society, they’ll say: “Th