Three Pakistanis have been detained for interrogation for their alleged association with Abdullah Gulzar, the suicide bomber who blew himself up in front of the American Consulate in Jeddah in Ramadan. 
An updated version of the arrested terrorists’ list was posted on Tawasul, which says 13 people of three different nationalities — Pakistani, Palestinian and Saudi — were arrested from Shawwal 16 to 19.
The arrests raise the number of people detained on charges of terrorism to 4,519. Among them are 51 Pakistanis and 26 Palestinians. 
The number of detainees held on charges of terrorism and threatening national security has reached 5,425. Some of those detained are serving their sentences, while others are under trial. 
Some are being investigated in preparation for trial.

Source: Arab News