SAINT PETERSBURG, RUSSIA - NOVEMBER 01: A woman lights a candle during a requiem in memory of the victims of the plane crash in Kazan Cathedral on November 1, 2015 in St. Petersburg, Russia. November 1st was announced a day of mourning in memory of the victims. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
