Reuters reports: Islamic State threatened to destroy Saudi Arabian prisons holding jihadists after Riyadh’s execution of 47 people including 43 convicted al Qaeda militants.

The militant group, which has claimed responsibility for attacks in the kingdom and stepped up operations in neighbouring Yemen, singled out the al-Ha’ir and Tarfiya prisons where many al Qaeda and Islamic State supporters have been detained.

“The Islamic State always seeks to free prisoners, but we calculate that the ending of the issues of prisoners will not happen except with the eradication of the rule of tyrants, and then destroying their prisons and razing them to the ground,” it said in an article posted online on Tuesday. [Continue reading…]