Eleven people are dead after a rampaging gunman opened fire at an adult education centre in central Sweden, in what has been dubbed the country’s worst ever mass shooting.Armed police were scrambled to Risbergska School,

Officials in Sweden have vowed to determine why a man killed 10 people, and apparently himself, in an unprecedented attack that's shaken their "society to its core."

A horror shooting in Obrero, Sweden, has left 11 people dead, including the suspected gunman, who launched a brutal attack on terrified students on Tuesday afternoon