Poland is in shock after a gunman opened fire in the heart of Krakow, killing six people and injuring 16 others. Eyewitness videos captured scenes of panic as people fled through the city's historic centre while gunshots rang out. Authorities say the suspect was shot and arrested by police. Investigators are examining whether the attacker was influenced by far-right ideology. The tragedy deepened after officials confirmed that three additional bodies were discovered at the suspect's home.