Russian emergency ministry officers walk to unload the bodies of victims of a Russian airliner, which crashed in Egypt's Sinai Peninsula on Saturday, at Pulkovo airport in St. Petersburg, Russia November 2, 2015. The Airbus A321, operated by Russian airline Kogalymavia under the brand name Metrojet, broke up in mid-air, an official of a Moscow-based aviation agency said on Sunday after visiting the disaster site, but stressed it was too early to draw conclusions from this. REUTERS/Dmitry Lovetsky/Pool