Explosions have been heard in Baghdad's green zone, where the US embassy is located, just hours after Donald Trump made his first significant statement on the Iranian bombing of US bases in Iraq.

Iraqi military officials later said that two Katyusha rockets had been fired into the area but that no one had been hurt.

On Wednesday Mr Trump backed away from military engagement with Iran, instead saying he would impose further sanctions. There were no American casualties in last night's attack, he added.

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