Nydala in Malmö has been classed by police as a "particularly vulnerable area".

Lyssna: Parallel societies exist in Sweden's vulnerable areas

Parallel societies exist in Sweden's so-called "vulnerable areas" where, according to a new report, criminals take the law into their own hands and many residents do not trust the police or the judicial system.

Sweden's National Council for Crime Prevention (Brå) has talked to residents in 61 vulnerable areas and found that almost half are worried about going outdoors in the evening.

Erik Nilsson, one of the researchers involved in the report, told Radio Sweden that people experience all sorts...