This weekend past, Hong Kong Hearthstone pro Chung "blitzchung" Ng Wai caused a storm of controversy when he appeared in a Hearthstone Grandmasters post-match interview, wearing a gas mask and goggles in defiance of the new law banning face masks in Hong Kong. In the stream, when he removed his mask, he shouted “Liberate Hong Kong, revolution of our age!." The stream has since been deleted from Blizzard’s Twitch channel - and Chung has been banned from play.