Islamic State group radio claims Saudi mosque suicide attack; promise more 'black days' for Shiites - Is this the beginning of the end?

The Islamic State group -- formerly Al Qaeda's branch in Iraq which broke away and overran much of that country and neighboring Syria -- has become notorious for its attacks on Shiites, including a deadly Shiite mosque bombing in the Yemeni capital, Sanaa, that killed more than 130 people. It was blamed for the killing of eight Shiites in a mosque shooting in eastern Saudi Arabia in November.

http://www.foxnews.com/world/2015/05/23/islamic-state-radio-station-claims-saudi-mosque-attack-warns-black-days-for/