Chinese labour activist detained after he denounced work exploitation ANI | Updated: Mar 11, 2021 18:42 IST Beijing [China], March 11 (ANI): A labour activist, who is famously known as "Leader of the Delivery Knights Alliance", has been detained by Chinese authorities after he posted online videos denouncing labour violations by China's top food delivery apps. According to France 24, Xiong Yan -- a rider with the popular food delivery platform Ele.me -- has been working in the business alongside China's three million delivery riders since 2018. But online, he's the face and the leader of the "Delivery Knights Alliance" online group -- an unofficial union that supports riders and creates online videos exposing the industry's unscrupulous labour practices.