"A border patrol at Suwaif center of Judaydit Arar (village — ed.) was fired [on] from terrorist elements, and the situation was dealt with as required […]," a ministry spokesperson said in a statement on the ministry's website.
According to the statement, border guards returned fire, killing one of the insurgents. However, another militant detonated himself and two Saudi border guards with a suicide belt.
Saudi Arabia shares an 800-kilometer (500 mile) border with Iraq and is one of six Arab states involved in multinational coalition airstrikes aimed at countering the Islamic State (IS) jihadist group operating in Northern Syria and Iraq.