(191219) — MOSCOW, Dec. 19, 2019 (Xinhua) — Police vehicles are seen on the site of a shooting in central Moscow, capital of Russia, on Dec. 19, 2019. An officer of the Federal Security Service (FSB) of Russia died in a shooting in the center of Moscow, TASS news agency reported Thursday, quoting the FSB. (Xinhua/Bai Xueqi)
