Eleven people were killed in a shooting at the Risbergska School in Örebro, some 125 miles west of Stockholm, on Tuesday.Police said the gunman was believed to be among those killed and a search for other possible victims was continuing at the school.

Prime minister Ulf Kristersson on Tuesday said the attack was the worst mass shooting in Swedish history, calling it a “painful day”, while king Carl XVI Gustav conveyed his condolences. Police said the motive for the shooting at the Risbergska school in Örebro, some 200km (125 miles) west of Stockholm, was not immediately known.

Swedish police are investigating for a motive after a school shooting in the city of Örebro that has killed at least 10 people. NBC News’ Matt Bradley reports on what is known about the shooting.

Five people have been shot at a school in Sweden as police warned the danger was not over while armed officers rushed to the scene. Armed police descended on the Risbergska School, an adult educational institute in the city of Örebro some 200 km (125 miles) west of Stockholm on Tuesday.

As many as 10 people have died in a shooting at a school in Sweden, police have confirmed. The deadly attack happened on Tuesday afternoon at Risbergska School, an adult education centre, in the city of Örebro, about 125 miles west of Stockholm.

A tragic shooting at Campus Risbergska in Örebro, Sweden has left five people injured, with four receiving hospital treatment. The attack took place in the Vasthaga area, about 200 kilometers from Stockholm.

Swedish police are responding to a school shooting in Orebro, Sweden, on Tuesday after reports said at least 10 people were killed

At least 10 people were killed, and six were injured in a shooting in the Swedish city of Örebro. An armed assailant stormed an adult school. Dramatic footage of the attack was published online. Swedish police reported that "around 10 people" were killed in the shooting at the school in central Sweden,