The 19-year-old is also suspected of aiding and abetting violations of the Flammable and Explosive Goods Act. The 19-year-old denies any wrongdoing. He has previously been convicted of a felony and has been sentenced to juvenile detention.
An 18-year-old has already been detained in the case on suspicion of having carried out the blast itself.
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Large police presence in Rågsved after the night explosion. Photo: STHLMNEWS