As Norway moves into summer, gang-related violence is on the rise in the capital. Tension is so high between Oslo's rival gangs, police warn, that armed battles can break out at any time. Police worry that Oslo's gang culture has become more widespread and more complex. Newspaper Aftenposten reported on Tuesday that gang battles motivated by revenge, territory and drug-related profits are on the increase. Weapon seizures Police confiscated a total of 22 firearms... (GunPolicy.org)