A closer look at the ISIS attack on Syria's al-Sina Prison
On Jan. 20, 2021, groups affiliated with ISIS attacked al-Sina Prison in the southern part of the city of al-Hasakah, in Syria’s far northeast. The attack, which lasted for nearly nine days, ended with the killing of dozens of ISIS fighters and detainees inside the prison, in addition to approximately 140 members of the SDF and its prison guards.
Source: mei.edu