The Northern Territory Police Force has arrested a 20-year-old male in relation to a serious assault that occurred in Priest Circuit, Gray overnight.

Around 12:50am, police received a report that the 20-year-old male had physically assaulted his male cousin, also aged in his 20s, with an edged weapon.   

Police attended shortly thereafter and investigations were commenced. Around midday today, the alleged offender was arrested by the Northern Domestic Violence Investigation Unit at a residential address in Palmerston.

He remains in custody with charges expected later today.

The victim is receiving treatment for serious, but not life-threatening injuries.

Investigations are ongoing and anyone with information is urged to contact police on 131 444. Anonymous reports can be made through Crime Stoppers on 1800 333 000 or via https://www.crimestoppersnt.com.au  Please quote reference NTP2600100172.

If you or someone you know are experiencing difficulties due to family or domestic violence, support services are available, including, but not limited to, 1800RESPECT (1800 737 732) or Lifeline 131 114.