- Polish gunman who killed 6 people in Krakow has ‘ultranationalistic’ views, authorities say AP News
- Polish prosecutors open terrorism investigation into Kraków shooting The Guardian
- Deadly mass shooting in Poland investigated as terror act, prosecutor says ABC News – Breaking News, Latest News and Videos
- Poland mourns victims of Krakow mass shooting as security fears grow Reuters
- Gunman opens fire from moving car in European tourist hotspot, leaving 6 dead and at least 11 wounded Fox News
