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.

A gunman opened fire at an adult education center in the Swedish city of Örebro on Tuesday, killing at least 10 people in what the country’s prime minister called the “worst mass shooting in Swedish history.

The authorities said that at least 11 people were killed and that the suspect was believed to be among the dead.

A major police operation is under way in Orebro, around 200km (125 miles) west of the capital Stockholm. The centre offers primary and upper secondary school courses, as well as Swedish classes for immigrants,

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.

The shooting occurred at a center for adult education in the city of Orebro. The suspect is believed to be among the dead, officials said.

Around 10 people were killed in a school shooting in Sweden on Tuesday, Swedish police said. (Reporting by Anna Ringstrom, Louise Rasmussen, Stine Jacobsen, Johan Ahlander, Simon Johnson and Niklas Pollard,

It is the worst school shooting ever to happen in Sweden, where school violence is rare. The suspected gunman is among the dead. Details are still emerging, but this is what we know so far: Police first received reports of a shooting taking place in Orebro,