Fallujah revenge massacre
2016 CE.
Shown on the map at 33.396°, 43.684°.
The 2016 Saqlawiyah massacre took place in June 2016, during the aftermath of the Third Battle of Fallujah, as many as 643 local Sunni tribesmen from the area of Saqlawiyah were abducted by the Shiite militia Kata'ib Hezbollah. After being moved to remote locations, they were tortured and extrajudicially murdered.
Text from the Wikipedia article 2016 Saqlawiyah massacre, licensed CC BY-SA 4.0.