On 11 September 1981 , Madani was approached and hugged by an unknown man who pretended to have a question , after Madani had finished Friday Prayer . The attacker then detonated the grenade he had hid under his cloth which led to the death of Ayatollah Madani and three others and injury of 50 people . Madani was killed in '' Mihrab '' ( praying place ) and hence acquired the title " the second martyr of Mihrab " , the first one being Ali ibn Abi Talib whom was assassinated while praying in mosque . MEK claimed responsibility for the assassination . "
assassinated
Assassination of Ali
Mir Asadollah Madani