The gunman who killed six people in Kraków’s Main Market Square visited websites about Norwegian mass killer Anders Behring Breivik, Poland’s justice minister said on Tuesday, in the strongest sign yet that he may have been influenced by far-right extremism.

Justice Minister Waldemar Żurek told Radio Kraków that investigators who gained access to the attacker’s computer found visits to websites concerning Breivik, the far-right extremist who murdered 77 people in Norway in 2011.

“It is clear that he visited websites concerning Anders Breivik,” Żurek said, adding that there was “a very strong indication of right-wing extremism” behind the attack. He stressed, however, that the motive has not yet been formally established and the investigation is continuing.

What happened in Kraków

On Saturday afternoon, 7 November, the 24-year-old gunman, named by prosecutors as Michał Oksiński, a factory worker from Ostrowiec Świętokrzyski, drove into Kraków’s historic Main Market Square and opened fire on passers-by from his car. Six people were killed — four Poles, one British national and one Austrian national — and 15 were wounded, including six foreigners.

Police shot the gunman within minutes of the first emergency call. He died in hospital on Monday, 9 November, before he could be charged. Two police officers who confronted him, Senior Constables Jakub Kulik and Artur Morański, were seriously wounded and praised as heroes by Prime Minister Donald Tusk.

Police searching the gunman’s family home in Ostrowiec Świętokrzyski, around 200 kilometres from Kraków, found the bodies of his 53-year-old father, his 52-year-old mother and his 21-year-old sister.

What investigators have found

Żurek said a yellow flag featuring a snake and the words “Don’t tread on me”, known as the Gadsden flag, was found in the gunman’s room and had been used by far-right groups in the United States. He said symbols found at the gunman’s workplace “may point toward this line of inquiry”, and that a silencer had been found in the car used in the attack.

Prosecutors said the gunman held a firearms permit from January 2026 and bought his first gun in March. Four weapons, including two AR-15 rifles and two pistols, were seized from him and his car, and seven more firearms were found at the family home. No letter or manifesto has been reported.

Prosecutors have opened a terrorism investigation and say they will examine every lead, including whether the gunman acted alone or was helped or inspired by anyone else.

A bitter political dispute

The suspect’s motives have been the subject of a bitter political dispute since Interior Minister Marcin Kierwiński said on Saturday, just hours after the attack, that he had been influenced by far-right ideology. On Monday, the National Prosecutor’s Office said it was too soon to link the gunman to any specific ideology, a position that drew criticism from the nationalist opposition.

Kierwiński said on Tuesday that he was not taking back anything he had said, but that he was waiting to see investigators’ findings. Deputy Interior Minister Czesław Mroczek said people who knew the attacker described a loner with an interest in violence and acts of terror, and that the full picture was likely days away.

Gun laws under review

In response to the attack, the Polish government has vowed to review the rules on gun permits. Żurek announced a comprehensive review, including regular medical checks for licence holders, although no new rules have yet been adopted.

Thousands of people joined a silent march through central Kraków on Monday night for the victims, led by President Karol Nawrocki and Prime Minister Donald Tusk. Poland observed two days of national mourning on Sunday and Monday, and Kraków will continue its own period of mourning until Wednesday.