Police arresting a terror suspect in Boliden, northern Sweden in November. Photo: Robert Granström / TT
“It is therefore important to point out that the threat is at an elevated level, even after the reduction of the terrorist threat level. The situation has been serious since 2010, and is still serious”, concluded Thornberg.
Sweden raised its threat level to category three in 2010 after two bombs exploded in central Stockholm, leaving the attacker dead but failing to kill any others.