“‘They [Shiite militias] raided and looted residential and commercial properties, later burning down or blowing up thousands of buildings in more than 30 villages’ in Salahaddin province, the reported continued. HRW was able to confirm that at least 3,200 building were torched during the ‘militias’ campaign of destruction’ after Amerli was liberated on Sept. 1, 2014. The militias looted and burned or bombed buildings in September and ‘through the months of October, November and possibly December.’”
Source: Iranian-backed militias rampaged in central Iraq after freeing town: HRW | The Long War Journal