The election date was moved up after Poland's president, Lech Kaczynski, was killed along with 95 others in a plane crash on April 10th near the Russian town,Smolensk.

VOA: standard.2010.06.17

Poland's speaker of parliament, Bronislaw Komorowski, became the country's interim head of state Saturday after Polish radio adjusted its regular programming to announce that President Lech Kaczynski and his wife Maria were among those killed in a plane crash in Western Russia.

VOA: standard.2010.04.10

Official ceremonies being held a year after a plane crash that killed Poland's President Lech Kaczynski have been boycotted by his twin brother.

BBC: Poland: Kaczynski holds rival Smolensk crash ceremony