Asalaamu alaikum
Please tell me about the below hadith if its sahih and where is it mentioned and your commentary on it
shukran
” The Holy Prophet (Sallal Laahu Alaihi Wasallam) informed the Sahaba (Companions) that among my Ummah will rise a Group of people who will recite the Quran, invite to good talks, will be punctual for their Salaat and will be mindful of their fasting, yet they will have no relation with Islam. With this confusion in their minds the Sahaba asked the Prophet (Sallal Laahu Alaihi Wasallam) to forecast a sign to recognize this particular Group of people. The Prophet (Sallal Laahu Alaihi Wasallam) replied that their head will be shaven clean or sitting in circles. “