A ranar 10 ga Afrilun 2010, jirgin Tupolev Tu-154 da ke aiki da Jirgin sama na Sojojin Sama na Poland mai lamba 101 ya yi hadari a kusa da birnin Smolensk na kasar Rasha, inda ya kashe mutane 96 da ke cikinsa.Daga cikin wadanda abin ya shafa har da shugaban kasar Poland Lech Kaczyński, da matarsa ​​Maria, tsohuwar shugabar kasar Poland da ke gudun hijira, Ryszard Kaczorowski, babban hafsan hafsoshin Poland da wasu manyan hafsoshin sojan Poland, shugaban babban bankin kasa. Poland, jami'an gwamnatin Poland, 'yan majalisar dokokin Poland 18, manyan limaman cocin Poland, da dangin wadanda aka kashe a kisan kiyashin Katyn.Kungiyar ta taso ne daga birnin Warsaw domin halartar wani taron tunawa da cika shekaru 70 da kisan kiyashin da aka yi a kusa da Smolensk.Matukin jirgin na yunkurin sauka a filin jirgin saman Smolensk North - wani tsohon sansanin sojin sama - cikin hazo mai kauri, tare da rage ganuwa zuwa kusan mita 500 (1,600 ft).Jirgin ya yi nisa a kasa da hanyar da aka saba zuwa har sai da ya bugi bishiyu, ya yi birgima, ya juyo ya fado kasa, ya kwanta a wani yanki mai dazuka mai nisa kadan da titin jirgin.Duka binciken jami'an Rasha da na Poland sun gano babu wata matsala ta fasaha game da jirgin, kuma sun kammala da cewa ma'aikatan jirgin sun kasa gudanar da tsarin cikin aminci a yanayin da aka ba su.Hukumomin kasar Poland sun sami nakasu mai tsanani a cikin tsari da horar da rundunar sojojin sama da abin ya shafa, wanda daga baya aka wargaza.Wasu manyan jami'an sojan Poland da dama sun yi murabus sakamakon matsin lamba daga 'yan siyasa da kafafen yada labarai.