Detectives are investigating after a woman in her 30s was threatened by three men who had broken into her home in Carlisle on Saturday.

The men gained entry to her Marchamly Street home about 2.30pm, threatened her and ran from the scene with her bag, police said.

If you know this man, call Crime Stoppers.

They are believed to have left in a vehicle.

The three men are described as:

If you know either of these men, call Crime Stoppers.

20s, dark-skinned, 165 centimetres, slim, wearing black Russell athletics hooded jumper, black cap, dark pants, black shoes.

Early 20s, dark-skinned, 172 centimetres, slim, short cropped black hair, wearing blue long-sleeved button-up shirt, navy-blue shorts with white stripe, black sneakers.

Early 20s, dark-skinned, 168 centimetres, slim, wearing long pants, white sneakers, khaki baseball cap and a white long-sleeved T-shirt with a black motif on the front.

Detectives need to speak with anyone who recognises these men or may have seen them in the area. Anyone with information regarding these incidents is asked to call Crime Stoppers on 1800 333 000, or report the information online at www.crimestopperswa.com.au.