Gothenburg's serious gang problem.

Swedish police have described the attack on a bar in the country's second city, Gothenburg as ruthless. Two people were killed. up to 15 were injured. 
One has life threatening injuries, two others were critically wounded by gunmen wielding automatic rifles. As yet there are no suspects. As terrorism expert Magnus Ranstorp explains, there are serious social issues in Gothenburg where young immigrants often face a choice between crime and extremism.