A gunman who killed 11 people, including himself, at an adult education centre in central Sweden may have had links to the school, police said on Thursday, as they described chaotic scenes after the country's deadliest mass shooting as being like an "inferno".

Sweden is reeling days after the country’s deadliest mass shooting left at least 11 people dead, including the gunman, as investigators continued to look into the shooter’s motive.

By Johan Ahlander and Simon Johnson OREBRO, Sweden (Reuters) -Swedish police found three rifles near the body of the gunman amid a chaotic scene they described as an "inferno" after 11 people were killed and several wounded in the country's deadliest mass shooting,

Andersson was said to be a recluse who had maintained little contact with his family for years before tragedy unfolded at Risbergska School in Orebro

Police investigating Sweden's worst mass shooting were still trying to establish a motive as to why a lone gunman opened fire at an education campus in the southern city of Orebro, killing 10 people.

Swedish police found several rifles in the adult education centre in Orebro where a gunman killed 11 people and wounded several others this week in the country's deadliest mass shooting, a spokesperson said on Thursday.