According to the Gothenburg Post, the arrest has been possible after a collaboration between Swedish and Catalan police. Spanish authorities have requested that the arrested man be extradited via a European arrest warrant.

- Yes, it is true that we have a person arrested, charged with murder in Spain. I will try the detention issue on Thursday, says Peter Larsson, prosecutor at the national unit against international and organized crime to the newspaper.

GP writes that the man is a foreign citizen, but that he has spent a lot of time in Gothenburg.