Kurdish forces innortheast Syria on Saturday announced the end of a three-week operation against Islamic State group supporters inside the overcrowded and increasingly lawless camp of Al-Hol. They arrested more than 200 people, including dozens of women, discovered tunnels used by jihadists and seized an arsenal of weapons. The internal security forces of the area’s semi-autonomous Kurdish administration carried out the massive sweep of the camp, which houses tens of thousands of relatives of suspected IS members. The number of murders inside the camp had risen recently, as had fears that Al-H…