Studies show an important element of this tragedy. He points to an explosion in the plane. According to the research, the left doors of the fuselage were knocked out from within with an energy ten times greater than the plane itself.

This Thursday, February 22, said the American scientists of the National Institute of Aviation Research. At the same time, the head of the Polish subcommission for the Smolensk disaster investigation Anthony Matserevich, referring to the research data, noted that according to the version of the Polish subcommission for the investigation of the accident, the explosion in the wing does not indicate an attempt.

According to him, there were "further events on board that finally led to the fact that the plane could not be saved".

This operation was more complicated than one event.

Each of these steps was carried out specifically and aimed at destroying the president and the Polish elite, "he said..

Recall the plane crash of the Polish presidential plane in Smolensk occurred April 10, 2010. As a result of the catastrophe, Polish President Lech Kaczynski, a number of senior officials of the country, public figures and representatives of the clergy were killed - only 96 people.

At the same time, as reported URA-Inform, the Polish Foreign Ministry believes that Russia hides witnesses of the Smolensk disaster.