The Arbaeen Office of Grand Ayatollah Shirazi, which has started its activities in Karbala in 2022 for several days, has been welcomed by Hosseini pilgrims. On Saturday and on the fourth day of its activity, this mission witnessed the presence of many Hosseini pilgrims, as well as scientific and religious figures and representatives of the great Islamic authorities, who came to talk with the members in this office. Distribution of religious books, hosting discussion panels, and holding Husseini memorials are other activities of this mission.