DI KHAN  - The Counter Terrorism Department (CTD) arrested four member of a banned outfit while collecting donations and recovered banners from their custody here on Friday. The CTD sources said that on an intelligence tip-off, operation was conducted in Qureshi Chowk of Dera Ismail Khan. During operation, four members of defunct organization engaged in collecting extortion money for the banned outfit were arrested with donation money and banners. The nabbed banned outfit members were shifted to an undisclosed location for further investigation.