On Nov. 11, ISS raided the office of a leading Fatah member in the southern town of Rafah. About 30 ISS officers stormed the office of Palestinian Legislative Council member Ashraf Jumaa, also regarded as a top Fatah operative in the Gaza Strip.

"An ISS force stormed the office of PLC member Ashraf Jom'a on the fourth floor of Qishta building in Rafah, while a documentary about the late Khalil Al Wazir, one of the most prominent leaders of Fatah movement and Palestine Liberation Organization, was being shown," the Palestinian Center for Human Rights said.

The human rights group said the ISS force arrested 30 Fatah members during the commemoration of the death of PA Chairman Yasser Arafat in 2004. The detainees were forced to sign a pledge not to participate in the Arafat commemoration.

The sources said ISS has also been monitoring the Al Qaida-aligned network in the Gaza Strip. Al Qaida groups, including Army of Islam, have been operating in such cities as Gaza City, Khan Yunis and Rafah.

ISS has established facilities in every city in the Gaza Strip, the sources said. In Rafah, ISS was located in the Tel Sultan neighborhood next to the border with Egypt.

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