Obama's national security adviser, James Jones has said the members of Al-Qaeda are fleeing into Yemen and Somalia after being pressed by military offensive ongoing in Pakistan. This he said to an interview with a US television channel on Thursday. Washington possesses concrete evidences proving that al-Qaeda members are taking refuge in Yemen and Somalia after being pushed from Pakistan, he said. Al-Qaeda terrorists want capture of Pak nuclear arsenal and they will not hesitate to fire them, he added. On the other hand, US intelligence officials reports reveled there are only 100 Qaeda members remaining in Afghanistan, sources said.