However, Shi'a Muslims refute these stories and maintain that Ashura is a day of great sorrow due to the tragic events of Karbala. In support of this claim, they cite many stories and hadith of the Islamic prophet Muhammad which mention that he wept profusely upon being informed of this day, as well as occasions when he talked about how Muslims would kill his beloved grandson Husayn along with his family, relatives, friends, and supporters