Another teenager has been arrested on suspicion of aiding and abetting the murder in Vällingby, but that person is no longer in custody.

Suspicion against him remains, however.

- The investigation continues with further questioning, collection of evidence and mapping of those involved, says prosecutor Liselotte Nilsson.

Javascript is disabled

Javascript must be enabled to play video

Read more about browser support

See a summary of the events in 60 seconds.

Photo: Jessica Gow/TT