The agency estimates that there are between 75,000 and 115,000 forces belonging to at least “150 different political groups inside the country”. NIA believes there is between 20,000 and 26,000 extreme fighters, among them 7,500 foreigners from about 50 countries, including few hundreds well-trained Al Qaida members who took part in wars in Afghanistan and Pakistan. “The latter are eager to attack US and European targets”, Clapper said.