This picture released by  Iran's official Islamic Republic News Agency shows the victims of a bomb blast in the city of Zahedan, 940 miles southeast of the capital Tehran Thursday, July 15, 2010. Twin bombings killed more than 20 people outside a mosque in southeastern Iran on Thursday -- including members of the powerful Revolutionary Guard -- in attacks that came less than a month after Iran hanged the leader of a militant insurgent group in the region. (AP Photo/Islamic Republic News Agency, IRNA)

Photo by: STR

This picture released by Iran's official Islamic Republic News Agency shows the victims of a bomb blast in the city of Zahedan, 940 miles southeast of the capital Tehran Thursday, July 15, 2010. Twin bombings killed more than 20 people outside a mosque in southeastern Iran on Thursday -- including members of the powerful Revolutionary Guard -- in attacks that came less than a month after Iran hanged the leader of a militant insurgent group in the region. (AP Photo/Islamic Republic News Agency, IRNA)