QUEZON CITY, June 24, 2016 (Xinhua) -- Handcuffs are removed from an illegal drug user's hands as he surrenders to authorities along with other drug addicts at Camp Karingal in Quezon City, the Philippines, June 24, 2016. Around 750 drug users and pushers surrendered to authorities during the Quezon City Police District's (QCPD) anti-drug campaign on Friday. The police operation aims to encourage drug addicts to surrender to authorities and pledge themselves to stop their activities involving illegal drugs. (Xinhua/Rouelle Umali)