His party, which is part of the ruling coalition, is investigating the claims.

His party, which is part of the ruling coalition, is investigating the claims.
Krzysztof Mularczyk
The alliance of PSL and Poland 2050 faces tough choices amid falling support.
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Joanna Mucha, a former minister, and Jacek Bury, a senator, have departed Civic Platform (PO) and aligned themselves with Szymon Hołownia.