p> According to early reports, the Polish President's air plane has crashed due to heavy fog near Severny airport of Smolensk, RBC quoted a source in the region's law enforcement as saying.

Currently, investigators are looking for black-boxes of the crashed plane, decoding of which will allow determining the exact reasons of the crash.

Polish President Lech Kaczynski and his wife, along with 130 people onboard, including high-ranking Polish politicians and officials, were killed in the plane crash on Saturday morning.

Below is a list of high-ranking Polish officials, who were aboard the plane: - President of Poland Lech Kaczynski; - Wife of the Polish President Maria Kaczynski; - Last Polish president-in-exile Ryszard Kaczorowski; - Institute of National Remembrance head Janusz Kurtyka; - Deputy Speaker of the Polish Sejm Jerzy Szmajdzinski; - Head of the President’s Chancellery Wladyslaw Stasiak; - Head of the National Security Bureau Aleksander Szczyglo; - Ministers of the President's Chancellery Pawel Wypych and Mariusz Handzlik; - Vice-President and Secretary of the Commission for the Commemorations of the Victims of Katyn Massacre Andrzej Przewoznik; - Deputy Minister of Foreign Affairs Andrzej Kremer; - Head of the General Staff of the Polish Army Franciszek Gągor; - Head of the Polish National Bank Slawomir Skrzypek; - Members of the Sejm Przemysіaw Gosiewski, Zbigniew Wassermann, Jolanta Szymanek-Deresz, Izabella Jaruga-Nowacka;