In first raid of its kind, Iraq's Counter-Terrorism Service detain members of Iran-affiliated Kataeb Hezbollah militia force in Baghdad

No immediate reports of casualties or damage in fourth attack in a week, after tit-for-tat attacks by Iran-backed Kataeb Hezbollah militia

Two blasts hit Besmaya base south of Baghdad in third such attack within a week; initial reports make no mention of casualties

British army also takes part in strikes on Kataib Hezbollah weapons facility day after missiles fired at base kill 3 troops

Ahmad al-Hamidawi, leader of Kataib Hezbollah, is declared a 'specially designated global terrorist,' freezing his assets in the country and making it illegal to trade with him

No immediate reports of injuries in attack on K1 base, where an American military contractor was killed in December by rocket fire

Some 5,200 American soldiers are deployed across Iraqi bases to train and support local troops to prevent a resurgence of Islamic State

Hossein Salami says Iranians are unconcerned by threats from Washington after Trump threatened action over embassy violence

'We burned them!' shout demonstrators as they stream out of the high-security Green Zone

Kataeb Hezbollah commander insists group will stay put outside Baghdad mission after powerful Hashed al-Shaabi paramilitary force tells supporters to retreat