Prosecutor-General Klas Bergenstrand will file an application for a new trial today. The Supreme Court is expected to approve the application.
Palme was gunned down on a central Stockholm avenue in 1986 as he and his wife walked home, unguarded, from a cinema. Police have been widely criticised as responding slowly and with confusion.
Pettersson was convicted of the shooting in 1989 but the conviction was overturned by an appeal court on the grounds of insufficient evidence.Reuse content