BAGHDAD: Iraqi militia groups fired two Katyusha rockets on a house in Baghdad, killing two women and three children and wounding two other children, the Iraqi military said on Monday.
The deaths were the first among Iraqi civilians in the latest outbreak of violence, during which Iran-backed Iraqi Shiite militias have been blamed for targeting US interests in the country. Police sources said Baghdad airport was the target of the attack. 
The rocket was launched from the Al-Jihad neighborhood of Baghdad.
The attacks have become a frequent occurrence, often targeting the US Embassy in Baghdad, within the heavily fortified Green Zone, and US troops present in Iraqi bases as well as Baghdad Airport. Roadside bombs have also frequently targeted convoys carrying equipment destined for US-led coalition forces.
Previous attacks have caused minor damage but rarely deaths or injuries.
The frequency of the rockets have strained Iraq-US relations, prompting the Trump administration last week to threaten to close its diplomatic mission in Baghdad if Shiite militia groups believed to be orchestrating them are not reigned in.
The disparate nature of Shiite militias following the US assassination of Iranian Gen. Qassim Soleimani and Iranian militia leader Abu Mahdi Al-Muhandis has complicated Iraqi efforts to clamp down on rogue armed elements.
A government raid on the powerful Iran-backed Kataib Hezbollah, suspected of launching rocket attacks, backfired when those detained were released for want of evidence.