A 17-year-old Kalgoorlie boy is in custody, helping police with inquires into two sexual assaults in Leonora earlier this week.
Kalgoorlie Detectives are investigating whether the two recent incidents are linked.
The first incident occurred between 12:30am and 1:30am on Monday 4 June 2018 when a woman in her 40s was returning home. An unknown man physically and sexually assaulted her outside her home.
The second incident occurred just after midnight on Tuesday 5 June 2018, when a man entered a home and sexually assaulted a woman in her 70s.
The offender in both incidents is described as aged in his 20s, with dark skin, approximately 183cms tall, with a slim build and wearing dark clothing.
Additional police resources are being sent to Leonora to assist with this investigation and extra police patrols are currently being conducted.
Police are reminding the community to keep all windows and doors locked.
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.