Mateusz Morawiecki, the Polish prime minister, has said that he has "nothing to hide" when it comes to the discovery of a foreign ballistic missile in a forest in April.
Mateusz Morawiecki, the Polish prime minister, has accused the Rzeczpospolita daily of lying, and denied he was told in December about an unidentified military object that had entered Polish airspace, months before it was found and an investigation initiated.
MPs from the main opposition party Civic Platform (PO) have said they will notify the prosecutor's office about possible neglect of duty by the Polish prime minister as regards his alleged failure to inform the public about the wreckage of a Russian missile found in north-central Poland.
Andrzej Duda, the Polish president, has summoned government ministers and the commanders of the armed forces for a Thursday meeting devoted to an upcoming Nato summit.
Poland's prime minister said on Wednesday he expects the minister of defence to present a report soon on an investigation into the origins of a mystery military object found near the northern city of Bydgoszcz.
Inquiries into the remnants of an unidentified military object found on Thursday near Bydgoszcz, northern Poland, are underway and should bring results soon, a high-ranking military official said on Friday.