BAGHDAD: At least one person was killed and 20 wounded in a rocket attack on an Iranian dissident camp in Iraq's capital Baghdad early on Saturday, an Iraqi interior ministry spokesman said.

The dissident group Mujahadin-i-Khalq (MK) said six people including a woman died after its camp was hit by mortars and missiles while the United Nations mission in Iraq said it was aware of a number of deaths.

MK calls for the overthrow of Iran's clerical leaders and fought alongside the forces of Iraqi dictator Saddam Hussein in the Iran-Iraq war in the 1980s.

It is now seeking to recast itself as an Iranian opposition force but is no longer welcome in Iraq under the Shia-led government that came to power after US-led forces invaded and toppled Saddam in 2003.

The attack struck the group's base in the former US military compound “Camp Liberty” in the western part of the capital, where most of the group was relocated by Iraqi authorities last year.

MK was formally removed from the US State Department's official list of terrorist organisations last year.