(KUNA) -- At least three Iraqis were killed on Friday when anonymous gunmen attacked them in Baghdad, said Iraqi police source. The attacked part was heading to Bartha Mosque to perform Friday prayers when the gunmen attacked them, said the source, noting that several others were injured in the attack.Meanwhile, Multinational Forces (MNF) said today that they revealed two weapons depots in the northern Iraqi city of Kirkuk. An MNF statement said that the depots contained large quantities of mortal shells and other explosives.