Sweden’s prime minister said the attack at the Risbergska School was the worst mass shooting in country’s history

The king and queen visited the scene of the tragic event that occurred on Tuesday and Swedish flags were flown at half-mast to honor the victims.

Around 10 people have been killed and many others injured after a gunman opened fire on an adult school campus in Sweden, officials have said.The “brutal” attack on Tuesday at the Risbergska School in Örebro,