Gunman opens fire in Polish city of Krakow killing 6 people and injuring 15

[AZ_HighCountry]

Did a refresh of the Daily Mail article. It was updated. Additional details along with speculation:

 

[Cygnus]

 

[lightning f57]

Does sound like a person with mental issues although authorities are calling it terrorism, I guess terrorists have to have some mental issues to do what they do

 

[AZ_HighCountry]

Does sound like a person with mental issues although authorities are calling it terrorism, I guess terrorists have to have some mental issues to do what they do

You will likely find most mass shooters have some form of mental issue.