Dallas Stars wins 2-0 against Los Angeles Kings at NHL hockey game

A referee falls as Los Angeles Kings' forward Dustin Brown (C) vies with Dallas Stars' denfenseman Greg Pateryn (R) during a 2017-2018 NHL hockey game in Los Angeles, the United States, on Feb. 22, 2018. Dallas Stars won 2-0. (Xinhua/Zhao Hanrong)