Is there anything in there about motive and such? I haven't read much about this yet, and it doesn't seem to be showing up in the US media channels that I usually check, given the recent events in Syria. I was skimming pretty heavily, by the time I got to the second half of that page you linked.
At this point in time it looks like typical Islamic attack of driving a vehicle into crowds of people. The suspect is a 39 year old male from Uzbekistan whom applied for asylum in Sweden in 2014 but was denied in June 2016. He was told to leave the country but authorities did not find him at his listed address. Five others found to be connected have been arrested. Explosives found in truck failed to detonate.