RT @nytimes: It’s "hugely problematic" that Hong Kong police fired tear gas from above crowds, an expert said, as seen here. “If it hits someone in the head, you could kill them," said Jim Bueermann, former president of the Police Foundation in Washington. “I have never seen that before." https://twitter.com/nytimes/status/1163112050001940481/video/1 [t]2019-08-20 19:15:50