ABHA, SAUDI ARABIA The Islamic State group has claimed responsibility for an explosion that on Thursday killed more than a dozen people at a Mosque in the headquarters of Saudi Arabia's Special Emergency Force in the kingdom's Asir region, according to Reuters.Force personnel were participating in noon prayers in the Mosque when a bomber struck, a ministry spokesman told state news agency SPA.Fifteen people were killed and several others injured in the attack. Twelve of those killed were of the members of the force and the other three worked at the compound, the ministry said."Those guys, they are at war with us," Jamal Khashoggi, a Saudi journalist told news agency Al Jazeera. "This is shaking us to the ground."This is the third attack claimed by the Sunni Islamist group since May. The attack is the deadliest on Saudi security forces for many years, a Saudi political analyst told Al Jazeera.-------------------------------------------------------------Welcome to TomoNews, where we animate the most entertaining news on the internets. Come here for an animated look at viral headlines, US news, celebrity gossip, salacious scandals, dumb criminals and much more! Subscribe now for daily news animations that will knock your socks off.Visit our official website for all the latest, uncensored videos: http://us.tomonews.netCheck out our Android app: http://bit.ly/1rddhCjCheck out our iOS app: http://bit.ly/1gO3z1fStay connected with us here:Facebook http://www.facebook.com/TomoNewsUSTwitter @tomonewsus http://www.twitter.com/TomoNewsUSGoogle+ http://plus.google.com/+TomoNewsUS/Instagram @tomonewsus http://instagram.com/tomonewsus-~-~~-~~~-~~-~-Please watch: "Crying dog breaks the internets heart but this sad dog story has a happy ending" https://www.youtube.com/watch?v=4prKTN9bYQc-~-~~-~~~-~~-~-