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.

Swedish police said on Wednesday that "erroneous narratives" were being spread on social media regarding the mass shooting on Tuesday at an adult education centre, the Nordic country's deadliest gun attack.

Police in Sweden said Tuesday that "about 10 people" were killed in a shooting earlier in the day at a school for adults in the city of Orebro, west of Stockholm.