ISIS fighters are closing tonight in on a Kurdish town on Turkey's border -- now fears of a massacre. @arwaCNN has the latest.
CNN gets a rare look inside ISIS: from a defector & an active ISIS fighter. @arwaCNN reports: http://cnn.it/1sKIXTC
ISIS fighter tells @CNN: "We've been ready for this... we had back up locations." @arwaCNN reports. http://cnn.it/1v0JxLU
