The Northern Territory Police Force have arrested a man in relation to the serious assault that occurred in Alice Springs yesterday afternoon.

Around 12am, detectives attended a residence on Gap Road and arrested the 22-year-old man.

He currently remains in custody.

The victim remains in hospital receiving treatment and a crime scene remains open in on Gregory Terrace, between Todd Street and Hartley Street, with members of the public advised to avoid the area.

Initial enquiries indicate both the offender and victim were known to each other and not Alice Springs residents.

Investigations into the assault and the large altercation remain ongoing.