RNA - Muslim scholars from cities of Qatif and Dammam said that the terrorists killed innocent Muslim people.
They called for vigilance and awareness of the Saudi government and police to thwart menaces of terrorism.
They prayed to God for peace of souls of the martyrs and immediate recovery of those wounded in the terror attack.
An armed man attacked a religious site in Cihat city last night in east of Saudi Arabia and killed five and wounded nine persons.
ISIL terrorist group in a statement admitted responsibility for attack and named the invaders as ' Shoja' al-dousari'.
Meanwhile, the group admitted responsibility for several terrorist attacks in Saudi Arabia, which left number of people dead last month.
In last August, following a suicide attack on a mosque in southwest of Saudi Arabia 15 persons were killed.
During two separate suicide attacks against Shia mosques in Saudi Arabia 25 people were killed last May.
The Saudi authorities declared in July that 431 persons related to ISIL had been arrested and several attempts to attack religious centers and security bases had been neutralized.
R111/108/C/