M1 Abrams tank. The boy, identified as Muhammad Ali Al-Hadidi, was dragged through the desert and shot before the tank was run over him. The men in the video were identified as Shia militiamen and yelled sectarian slurs at the child as well asking the cameraman to film them doing it. The video caused outrage on social media, with Arab users of social media using the hashtag #CrushedByATank (). The soldiers were wearing the insignia of the Iraqi Special Forces. On 19 January, Iraqi forces summarily executed three civilians who they later claimed were IS suspects. The Middle East Monitor claimed Iraqi Shia Groups of targeting Sunni Arabs "in a possible genocide", and claimed that "Sunni Arabs are being targeted for ethnic cleansing by Iraqi Christians". However, Middle East Monitor was the sole origin of the report. On 17 March, a U.S.-led coalition airstrike in Mosul killed more than 200 civilians. Amnesty International's senior investigator on crisis response said: "The high civilian toll suggests that coalition forces leading the offensive in Mosul have failed to take adequate precautions to prevent civilian deaths, in flagrant violation of international humanitarian law." On 12 July, after the Iraqi Government's declaration of victory, a video posted online by the Mosul Eye blog showing a man suspected to be an ISIL fighter was being held in a building and then dragged by soldiers across an open area to a ledge above a drop of at least 30 feet, where another body lied motionless. A second video also showed a man in Iraqi Army fatigues gunning down an unarmed man kneeling in front of a car. The Iraqi government later said they were investigating the footage. An estimate in mid-July 2017 by Kurdish intelligence put the total number of civilian casualties at 40,000. The largest portion of this loss of life is attributable to the unyielding artillery bombardment by Iraqi government forces – in particular, units of the Iraqi federal police – of west Mosul. Killings by ISIL and air strikes were two other significant sources of civilian deaths. On 19 July, Human Rights Watch published a report stating that Iraqi forces extrajudicial killings, torture and unlawful detention in the final phase of the battle and details the discovery of the corpses of 17 men, executed in an empty building in west Mosul, on 17 July. On 27 July, Human Rights Watch urged the US government