UN says school attack in Syria may be potential war crime
![UN says school attack in Syria may be potential war crime](http://bloximages.chicago2.vip.townnews.com/tdn.com/content/tncms/assets/v3/editorial/f/eb/febbf95d-7053-53e7-b30d-59531f5edcca/5811b11055c9b.image.jpg?resize=300%2C169)
BEIRUT (AP) — U.N. Secretary-General Ban Ki-moon called on Thursday for an immediate investigation of an attack on a school in Syria's Idlib province that the U.N.'s children's agency is calling one of the deadliest of its kind in the…