Group : Kurds are clashing with ISIS in town where many Assyrians were abducted . ISIS is holding 150 Assyrian Christians hostage in northeastern Syria , Assyrian activist says . The activist organization Raqqa Is Being Slaughtered Silently also said on Twitter that ISIS has moved a number of Assyrian captives to Raqqa , which has been called the Islamist extremist group 's de facto capital . Comment:
Group : Kurds are clashing with ISIS in town where many Assyrians were abducted . ISIS is holding 150 Assyrian Christians hostage in northeastern Syria , Assyrian activist says . Comment: