All the sites were being searched by police, PAP added.
Staff were evacuated from buildings including those of Poland's central audit office, the Supreme Court, the Court of Appeal in Warsaw and the National Council of the Judiciary.
Firefighters at the Supreme Court in Warsaw. Photo: PAP/Wojciech Olkuśnik
Wiesław Johann, deputy head of the National Council of the Judiciary, a body tasked with selecting judges, said after police checks: " It turned out that there was no danger."
(pk)
Source: PAP