Hundreds of people protested in Warsaw's Castle Square against the construction of a monument to the 2010 Smolensk plane crash victims. In 2010, a TU-154 plane crashed near the city of Smolensk, Russia, killing all 96 people on board. Among the victims were the President of Poland Lech Kaczynski and his wife. Lech Kaczynski's twin brother, Jaroslav Kaczynski, is the current leader of the... Еще ruling right-wing Law and Justice party, which proposed the contested monument that is being built in Warsaw's central Pilsudski square. Saturday's demonstration, organised under the slogan «Here is Free Warsaw,» denounced the monument as an appropriation of a public space by one political party.