xwhatsapp-strokecopylinkgoogleAdd Al Jazeera on GoogleinfoPeople light candles for the victims close to the main market place in the historic center of Krakow, Poland [Wojtek Radwanski/AFP]By Al Jazeera Staff, AFP and ReutersPublished On 8 Nov 20268 Nov 2026Poland has begun two days of national mourning after an armed man killed six people in central Krakow, as the national prosecutor’s office opened a “terrorism” investigation.