Wednesday is a day of mourning across Russia for the victims of three disasters that killed at least 175 people -- a plane crash, a nursing home fire and the worst coal mine blast in 10 years.

• 星期三是俄罗斯全国哀悼日，悼念飞机失事、养老院失火和10年来最严重的矿难这三起灾难性事件中的遇难者．至少有175人在这三起事件中不幸遇难。