President Lech Kaczynski, his wife and scores of senior Polish politicians and government members have been killed in a plane crash near Smolensk in Russia, on April 10, 2010. The deputy parliament speaker, the deputy foreign minister, head of the National Security Office, Poland's army chiefs, central bank governor, senators and members of parliament, families of Polish prisoners of war murdered in the village of Katyn during WWII were also among 97 victims. They were on their way to Katyn for the 70th anniversary of the massacre. Thousands of people gathered outside presidential palace at Krakowskie Przedmiescie Street and at Pilsudski Square on Saturday evening to lay flowers and light candles in honor of President Kaczynski and other victims of the crash.