The founder and chief executive of Tencent Holdings-backed DouYu International Holdings, Chen Shaojie, has been held "incommunicado" by Chinese authorities for weeks, according to local media reports, months after online censors allegedly uncovered pornographic content on the popular video game live-streaming platform. Chen, 39, has vanished from sight for weeks and could neither be contacted nor located by his colleagues, according to a report posted on Monday on Cover News, the digital platfor