I think most of the bombings can be traced back to the regime itself, as this one may end up too.
Other localized bombings have been by small numbers of ethnic groups far from Tehran.
-
Iraqi soldiers walks past a defaced mural of executed Iraqi president Saddam Hussein in the southern Iraqi city of Basra on April 11. The Washington Post has said that recent violence in Basra has convinced the administration of President George W. Bush that Iran and not Al-Qaeda is now the primary threat to US interests in Iraq. (AFP/Essam al-Sudani)