Hong Kong saw scenes of chaos last night after police fired tear gas and rubber bullets at protesters, and a mob attacked commuters in a metro station in Yuen Long district.<br />'' <br />'' Footage posted on social media showed dozens of men attacking people with batons inside the station. Forty-five people were injured, with one person in critical condition.<br />'' <br />''<br />''The unrest came after tens of thousands took to the street for the seventh consecutive weekend amid an ongoing political crisis over a now-suspended extradition bill. This is the first time this kind of violence has been seen in the ongoing anti-extradition demonstrations.<br />