No idea what kind of weapons were in use, hence the title reduced to ”gun fire”.
Also, what kind of perps are in question has not been reported.
Stockholm became a battlefield automatic weapons
According to Swedish police it was between themselves. According to eyewitnesses, automatic weapons and pistols were used in the exchange of shots on Friday evening.
No one was reported injured in shooting, but the bullets hit cars and buildings. Swedish police have not arrested anybody, but are investigating it as a case of attempted murder and of serious gun violations.