This photo taken on 26 March shows houses destroyed in the area
The United States has admitted that at least 105 Iraqi civilians were killed in an air strike it carried out in Mosul in March.
US Central Command said it had targeted two snipers from so-called Islamic State (IS) with what it called a “precision-guided munition.”
However, the strike detonated explosives that militants had placed in the building.
Civilians sheltering in the lower floors were killed when it collapsed.
US Central Command said the death toll included four civilians in another nearby structure.
Eyewitnesses claimed another 36 non-combatants were also in the building, but US authorities said it had “insufficient evidence to determine their status”.
A summary of the investigation said those organising the strike “could not have predicted the presence of civilians in the structure prior to the engagement”.
The explosives hidden by IS were at least four times more powerful than the weapon used in the air strike, it said.
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