A bomb blast on May 28 , 2009 rocked a mosque in the south eastern Iranian city of Zahedan as mourners participated in a ceremony marking the death of the daughter of the prophet of Islam , which killed 25 people and injured 125 others , less than 3 weeks before the Iranian 2009 presidential elections . The Iranian government promptly accused the United States of having financed and orchestrated the attack in order to destabilize the nation in the lead up to its presidential election . Two days after the attack , three men were publicly hanged for smuggling the explosives used in attack into Iran from Pakistan . The trio were already in prison at the time of attack and had been tried for previous attacks by Jundallah including 2007 Zahedan bombings . Interior Minister Sadegh Mahsouli said in a statement posted on the internet Friday that " those who committed the Thursday bombing are neither Shia nor Sunni . They are Americans and Israelis . " Abdel Raouf Rigi , the spokesman for Jundallah claimed responsibility on a Saudi Arabian state owned TV channel , Al-Arabiya
2007 Zahedan bombings
2007 Zahedan bombings
Jundallah (Iran)