Two people were killed in twin attacks on Iran's parliament and the grounds of revolutionary leader Ruhollah Khomeini's mausoleum on Wednesday, state media reported, along with a female suicide bomber.

A security guard was killed when gunmen burst into Tehran's parliament complex, while a gardener was killed when armed assailants entered the grounds of Khomeini's mausoleum in the south of the city, the ISNA news agency reported.