The Northern Territory Police Force has arrested a man in relation to the sexual assault of a woman in Palmerston earlier this week.

The 20-year-old man was arrested overnight by members from the NTPF Fugitive Taskforce, and currently remains in custody.

Charges are expected to be laid later today. 

Investigations remain ongoing and police are continuing to call for members of the public with information to come forward on 131 444. Please quote reference P26144781 or report anonymously through Crime Stoppers on 1800 333 000 or via crimestoppersnt.com.au.