How to build a private or public channel on Telegram? Hui said the messages, which included urging the disruption of airport operations, were attempts to incite followers to make use of poisonous, corrosive or flammable substances to vandalize police vehicles, and also called on others to make weapons to harm police. A vandalised bank during the 2019 protest. File photo: May James/HKFP. To delete a channel with over 1,000 subscribers, you need to contact user support
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