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.

At least 10 people, including the gunman, were killed Tuesday at an adult education center in what Sweden's prime minister called the country's worst mass shooting. But a final death toll, a conclusive number of wounded and a motive hadn't yet been determined hours later.

Swedish Prime Minister Ulf Kristersson and King Carl XVI Gustav have led tributes to the victims of a deadly shooting at an adult school in the city of Orebro. A police investigation is underway.

A yet to be identified shooter stormed a school in Sweden on Tuesday and killed no less than 10 people in what Ulf Kristersson, Sweden Prime Minister has declared as “worst mass shooting in Swedish history”.

A tragic mass shooting at an adult education center in Orebro, Sweden, resulted in the death of about ten individuals, including the gunman, marking the country's worst incident of its kind. As investigations continue,

At least 10 people have died and many were wounded during a school shooting at an adult education center in southern Sweden on Tuesday afternoon.

Witnesses who survived Sweden’s worst mass shooting have described horror and panic that gripped an adult education center west of Stockholm as the gunman killed at least 10 people

The worst mass shooting in Swedish history was carried out by a 35-year-old Swedish man who lived locally, had been unemployed for a decade and had changed his first and last name, a police source and tax data show.