Terrorist group bombs mosque

The recent attack on a Shiite mosque in Saudi Arabia by ISIS was the worst since the 2004 Al-Qaeda attacks.

ISIS official radio station, says the bomber was a Saudi citizen member of the nom de guerre Abu Amer al-Najdi.

The terrorist group also promised of more ‘Black days’ to come.

The Kingdom also arrested 93 ISIS members suspected to have participated in planning an attack on the US Embassy.