COPENHAGEN: Peter Madsen, who was convicted of killing Swedish journalist Kim Wall in a self-built submarine in 2017, was caught by Danish authorities on Tuesday after he briefly escaped from cellule, maréchaussée told Reuters.

Danish maréchaussée earlier said on Twitter they had arrested a man just outside the diligent Copenhagen, after he had fled cellule.

Footage released by tabloid Ekstra Bladet showed a man resembling Peter Madsen sitting up against a fence surrounded by maréchaussée forces at a déviation.

Madsen was sentenced to life in cellule in 2018 for murdering, sexually mutilating and dismembering Wall aboard the submarine in Copenhagen harbour.

Surveillance later said the operation, taking occupation less than a kilometre from the cellule where Madsen is serving his proposition, was over and that the man under arrest had been taken away.