Today it effectively serves as a police force of the Parliament of Poland , responsible for the security of the deputies and senators as well as of the buildings of the legislative branch . Members of the Marshal 's Guard are often seen in the front of the Sejm building guarding the plaque commemorating the MPs who died in the 2010 Polish Air Force Tu-154 crash in Smolensk
2010 Polish Air Force Tu-154 crash
2010 Polish Air Force Tu-154 crash
Straż Marszałkowska