Intelligence agencies have arrested an important member of banned Tehreek-e-Taliban Pakistan's Sajna Group in the outskirts of the federal capital. Sources said that intelligence agencies during a targeted operation in sector G-15 arrested the member of Sajna Group, namely Abdullah Mehsud. The alleged terrorist had changed his identity during his stay in Islamabad, he said. The sources said that the alleged terrorist nabbed by secret agencies was involved in a number of terror attacks in FATA and KPK.