article_snippet.sent: Chinese social media users praised 'tough girl' Cao Yu for her incredible bravery .
article_snippet.sent: Chinese social media users have praised Ms Cao extraordinary bravery after CCTV footage of the whole incident was released this week.
article_snippet.sent: One user posted on Weibo, the Chinese equivalent of Twitter: 'She is a REAL tough girl!
highlights_snippet.sent: The policewoman has been praised on Chinese social media for The policewoman incredible bravery .