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 said “around 10 people” were killed at a school on Tuesday, in what has been described as the worst mass shooting in Sweden’s history. The suspected perpetrator is among the dead.

The gunman’s motive, as well as the number of wounded, had not been determined by early Wednesday as Sweden reeled from an attack with such bloodshed that police early on said it was difficult to count the number of dead among the carnage.