The men were arrested by police after an incident at around 9 p.m. and were held overnight .
Two men have been arrested on suspicion of preparing to commit aggravated assault, police spokesman Johan Håkansson told TT.
Police say no one was physically injured and there is no danger to the public.
The minister is unharmed, says Johan Josarp, duty officer in Police Region West, to GP
Gunnar Strömmer was in Gothenburg together with municipal councilor Axel Josefsson. Säpo has declined to comment on the incident.
