Brutal video! Islamic State hangs prisoner upside down, shoots him in head

Damascus: The Islamic State terror group has released a brutal video of execution of a prisoner.

In the video that is available on the Internet, an ISIS jihadist with his face visible and carrying an assault rifle shoots a man who is hanging upside down, from point-blank range.

The jihadists claimed in the video that the man was a 'traitor'.

Watch the video here: