Succession megastar Kieran Culkin and Jesse Eisenberg from The Social Network stunned locals after being snapped filming scenes of a forthcoming Holocaust film in the Muranów district.
The prime ministers of Poland, Lithuania, Latvia and Estonia have sent an open letter to the heads of the world's biggest social media companies calling on them to block the official accounts of Russian and Belarusian government institutions.
As part of the #NoDenyingIt campaign by prominent Holocaust survivors, Auschwitz survivor Marian Turski wrote an open letter in Germany’s Frankfurter Allgemeine Zeitung urging Facebook boss Mark Zuckerberg to remove Holocaust-denying groups, pages and posts as hate speech.
The website blocked by Facebook has been active for almost 10 years conducting drug education in Poland, warning against the harmful effects of psychoactive substances and helping people who use them.
Be sceptical of headlines, consider the photos, investigate the sources - these are some of the tips offered by Facebook and the Polish Press Agency, which started an educational campaign on Tuesday to help internet users recognise so-called "false news".