APA reports quoting Iranian media that the accident happened on March 25 in Talaia region of Khuzestan province.
One of 45-seat two buses, which departed from Kirman province to commemorate victims of Iran-Iraq war, crashed. 11 died, 19 were injured in the accident.
The injured have been hospitalized in Kirman, Ahvaz and Susangard cities.
8 of them have been released after examination.
High speed and violation of traffic rules caused the accident.