Three people were arrested on Tuesday on suspicion of Saturday's shooting in Enskededalen where a man was visited.
The men were arrested later on Saturday in a car on the E4 and weapons were also found during the arrest.
All three were arrested on suspicion of attempted murder and aggravated weapons offences.
A 22-year-old man was also detained on Tuesday on suspicion of preparation for murder and aggravated weapons crime in Hammarbyhöjden.
It was last Friday that the man was arrested after crashing into a roundabout in Gullmarsplan after a car chase.
Two more people were arrested in the car.
Both are under 15 years of age and are further investigated in a special investigation that can be carried out when a non-criminal is suspected of having committed a serious crime.
Suspect detained for Årsta explosion
According to DN, a 20-year-old man was also arrested on Tuesday afternoon on suspicion of the explosion in Årsta.
It was last Thursday that the alarm about an explosion in a multi-family house came and according to the police it must have been a hand grenade that detonated.