Police are looking for a man who allegedly raped a woman in Lajamanu on Monday, NT Police said.

Police director of communications Mark Wilton said in a statement that about 8am Monday a woman was allegedly sexually assaulted by a man she knew who had broken into her room, at a house in the community.

“The victim attended the local clinic and an investigation was commenced,” Mr Wilton said.

“Police established a crime scene and a number of items were seized for forensic analysis at a house in the community.”

Northern Investigations Section detectives are investigating and Mr Wilton said an 18-year-old man was the main suspect.

Police are urging the community of Lajamanu to report any suspicious behaviour that happens overnight, and anyone with relevant information is urged to make contact on 131 444 or to visit their local station.