AdvertisementTwin Attacks Hit Iran's Parliament And Khomeini Mausoleum; ISIS Claims ResponsibilityJune 07, 2017Bill ChappellfacebookEmailPolice officers run to take position around Iran's parliament building in Tehran after an assault by several attackers. Four attackers reportedly reached the building's interior, and an explosion was heard, although it was unclear whether it was a suicide bomb or a grenade. (AP)