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.

About 10 people including the gunman have been killed at an adult education center in what Sweden’s prime minister called the country’s “worst mass shooting.”

Gunman kills 11 at a Swedish adult education center in Örebro. Investigators say he acted alone. #Sweden #Örebro #MassShooting #GunViolence

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.

Five people have been shot at an adult education centre in Sweden, police have said, with four in the hospital. Authorities say that the danger wasn't over and urged the public to stay away from the school. The extent of the victims' injuries wasn't immediately clear. The adult education center is about 125 miles west of Stockholm.

Three guns were found next to the man believed to have carried out a massacre on Tuesday that killed 11 people in Sweden, police told a press conference on Thursday.

The suspected gunman in a deadly school shooting in Sweden shot himself after killing 10 people on Tuesday, police believe. Armed police exchanged fire with an unnamed shooter at Risbergska School in Örebro,

Everything we know about the killing of 11 people at an adult education centre - Sweden’s prime minister said the attack at the Risbergska School was the worst mass shooting in country’s history

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,