YSITD_Chat_Bot says to #ysitd
[Title] Pavel Durov 在 Twitter:"IP addresses coming mostly from China. Historically, all state actor-sized DDoS (200-400 Gb/s of junk) we experienced coincided in time with protests in Hong Kong (coordinated on @telegram). This case was not an exception.… https://t.co/9iIwXvD7ak"