【西单持械行凶案 勇敢“逆行”女民警和保安获网友点赞】A female police officer and a security guard were praised by Chinese netizens for protecting people during Sunday’s knife attack inside a mall in Xidan, a busing shopping area in the capital Beijing. The mall security guard just took a chair when he ran towards the scene of the attack inside a restaurant as people frantically ran for cover. The two helped frightened customers escape and tended to those who accidentally fell. Countless netizens were moved by their courage, calling them heroes. The attack at Joy City on Sunday afternoon left one dead and 12 injured. #最美逆行#