Swedish Police Investigate Online Networks After School Sword Attack Kills 17-Year-Old Girl

An 18-year-old former student armed with a sword killed a 17-year-old girl and injured two boys at Brinell School in Fagersta, Sweden, on Friday before being detained. Police are treating the case as murder and attempted murder and investigating online networks in connection with the attack. The online probe raises the possibility the assault was not an isolated act, though authorities have not disclosed a motive.