That is awful. When a bestial religion teaches terrorism this is what you get. Muslims have done this to Israeli POWs in the major wars of 1967, 1973 etc.
Allah's Apostle (that's would be Muhammad) said:
"I have been made victorious with terror" Bukhari 4:52:220
It's time these rabid demons are put down, for all time..There is only one cure for their toxic jihad. Radiotherapy is indicated..