The four men walked according to the state tv channel al-Arabiya to the attack with machine guns and explosives. Their target was a building where the saudi intelligence service is housed.
The saudi authorities pointed to early terrorrörelsen ICE as the committee. ICE later took on Sunday on the responsibility.
homeland security says three people in the saudi security forces were injured. After the event is handled a number of explosive devices, which have been left at the site.
Armed groups attacking periodically, the security authorities of the totalitarian government. Zulfi is located approximately 25 miles northwest of the capital, Riyadh.