Northern Territory Police have arrested a woman in relation to a domestic violence incident that occurred in Sadadeen overnight.

Around 7:50pm, police received reports the woman allegedly stabbed a 32-year-old woman with an edged weapon in the parking lot of a residence on Spearwood Road.

A short time later, police located and arrested a 54-year-old woman.

The alleged offender remains in custody and is expected to be charged.

The victim was conveyed to Alice Springs hospital where she was assessed as suffering serious injuries.

It is believed the two women are known to each other.

Investigations remain ongoing.

Police are urging anyone with information about the incident to contact 131 444.

Anonymous tips can also be made through Crime Stoppers on 1800 333 000 or via https://crimestoppersnt.com.au/ .