The United States and U.N. Secretary-General Ban Ki-moon have condemned an attack on an Iranian exile camp in Iraq and called for those responsible to be brought to justice. U.S. State Department spokeswoman Victoria Nuland called the attack "vicious and senseless."
Iraqi officials say assailants Saturday fired rockets on a camp housing Iranian dissidents, killing at least six people and wounding about 40 others.
There was no immediate claim of responsibility for the attack near Baghdad on Camp Hurriya, a onetime U.S. military base known as Camp Liberty.
The camp houses members of the Iranian exile group Mojahedin-e Khalq , or MEK.
MEK was formed in the 1960s to oppose the U.S.-backed Shah of Iran, but took up arms against the country's new clerical rulers after the Islamic revolution of 1979.
The group had been on the terror lists of the U.S., Britain and the European Union, but has since been taken off that list.
The U.S. said last year after removing MEK from the terrorist list that it still had serious concerns about the organization, particularly regarding allegations of abuse committed against its own members.