Investigators had not uncovered a definitive motive behind the bloodshed by Thursday. Police said there were no warnings beforehand, and they believe the perpetrator acted alone. Authorities said there were no suspected connections to terrorism at this point.

Watch live from Sweden on Wednesday (5 February) as police continue to investigate a mass shooting at the Risbergska School in Örebro, some 125 miles west of Stockholm. Local police chief Roberto Eid Forest said the gunman was not previously known to the police and has no suspected links to gangs or terrorism.

Swedish police said the gunman in the country’s worst mass shooting was connected to the adult education center where he opened fire Tuesday, killing 10 other people