Major Crime detectives have flown to Kalkarindji overnight to investigate the death of a 21-year-old woman.
Kalkarindji is located almost 500km south-west of Katherine.
Det. Sen.Sgt Lee Morgan said the female died after suffering a stab wound to the chest.
“A 28-year-old male also received an injury to his hand in the same incident late yesterday afternoon.
“A 23-year-old female has been arrested.”
Investigations are continuing.