The Czech lower house commission for the investigation of the OKD coal mining company's privatisation will file a criminal complaint against four former ministers, including former Social Democrat (CSSD) prime minister Bohuslav Sobotka, the commission members announced today. Commission head Lukas Cernohorsky (Pirates) said the commission also proposed that former ministers Milan Urban (CSSD), Vladimir Dlouhy and Jiri Skalicky (both Civic Democratic Alliance, ODA) as well as entrepreneurs Zdenek Bakala and Viktor Kolacek, who were linked to OKD, and other persons be prosecuted.