Police have arrested a 33-year-old male in relation to a domestic violence incident that occurred on Monday night.

Around 11:55pm, the Joint Emergency Services Communication Centre received a report that a 29-year-old female had allegedly been assaulted by a male known to her.

It is alleged that the male assaulted the victim to the back of the head before fleeing the scene.

Police and St John Ambulance attended, and she was conveyed to Katherine Hospital in a critical condition. She will be transferred to Royal Darwin Hospital for further treatment today.

The 33-year-old male has since been arrested and remains in custody with charges expected to follow.

Police urge anyone with information about the incident to make contact on 131 444. Please quote reference number P25195201. Anonymous reports can be made through Crime Stoppers on 1800 333 000 or via https://crimestoppersnt.com.au/.

If you or someone you know are experiencing difficulties due to domestic violence, support services are available, including, but not limited to, 1800RESPECT (1800737732) or Lifeline 131 114.