Ibn Shihab narrated about the invokers of curses and the practice of (lian) based on the authority of Sahl bin Sad, of the tribe of Saida. that a person from the Ansar came to Allahs Apostle ﷺ and said: Allahs Messenger, tell me about the person who found a man with his wife. The remaining part of the hadith is the same (but) with this addition: They invoked curses in the mosque and I was present there. And he narrated in the hadith: He divorced her with three pronouncements before Allahs Messenger ﷺ commanded him (to get separation). He separated from her in the presence of Allahs Apostle ﷺ , whereupon he said: There is a separation between the invokers of curses.