Controversy[edit]
On August 18, 2014, it was reported that Ko had been arrested on August 14 by the Beijing Police for drug use, along with Jaycee Chan, a Hong Kong actor.[2] Reports from urinalysis has shown positive results for marijuana. Ko had appeared in a 2012 anti-drug advertisement in Taiwan where he and other celebrities declared "I don't use drugs".[3] [4] He's set to be released on August 28 and will face another round of interrogations by the Taipei District Prosecutors Office after returning to Taiwan.[5]