Three by-elections to the Senate were held in Poland on 20 June 2010, at the same time as the presidential election. They were held to replace Krystyna Bochenek in Katowice (Civic Platform), Janina Fetlińska in Płock and Stanisław Zając in Krosno (both Law and Justice), who died in the 2010 Polish Air Force Tu-154 crash on 10 April 2010.
The results were as follows:
References.
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