During the Warsaw Ghetto Uprising ceremony, a lone protester briefly displayed a Palestinian flag, amid global pro-Palestinian sentiment and diplomatic tensions.
Despite widespread media coverage and public demonstrations, the survey found that the majority of respondents in four European countries did not react actively to the conflict.
The text highlights diplomatic talks between Poland and Israel on counterterrorism and the need for diplomatic engagement with Palestinians, with Israel urging Poland to fulfill its commitment.
Criminal charges could be filed against former government officials as a result of the probe.
The historic treasures were discovered during the demolition of an old firehouse in the city of Torun.
The Ministry said that the decision was taken following a review of the contents and aims of the voyage along with its security needs.