The personnel of Counter Terrorism Department Operation 1 (CTD Op1) conducted a joint operation with the officials of an intelligence agency in Surjani Town of Karachi, the provincial capital Sindh, on January 27 and arrested the cadre of a banned militant outfit, Zainabiyoun Brigade, reports The Express Tribune. The arrested cadre was identified as Syed Muhammad Abbas Jaffery alias Sabbas. The authorities recovered a pistol from his possession.