It was on Monday that two police officers were attacked outside the police station in Norrköping.
One of the policemen was seriously injured, but his condition is now described as stable.
The perpetrator was shot in the leg by police in connection with the incident.
During Thursday, deputy chief prosecutor Anna Jakobsson requested the 56-year-old man be detained.
The prosecutor wants to see the man detained for attempted murder.
The man is suspected on probable grounds, the higher degree of suspicion.
The text is updated.