A search for a possible vessel in distress was launched off the coast of Port Kennedy.
The Joint Rescue Coordination Centre in Canberra notified WA Police that an unregistered EPIRB had been activated around 8.05am on Monday.
Water Police and the RAC rescue helicopter were deployed.
It was later determined a vessel had accidentally activated its EPIRB.
Man charged after allegedly stabbing man, pushing couple down stairs in Silver Sands
A 21-year-old man has been charged over an alleged attack at a home in Silver Sands.
Firefighters continue to battle raging bushfire near Boddington
Firefighters are continuing to battle an out-of-control bushfire burning near Boddington.
Waikiki P-plater charged with reckless driving along Kwinana Freeway
A Waikiki P-plater and and another man have been charged with reckless driving after allegedly being caught travelling at high speeds along the Kwinana Freeway.
Police investigate Peron scrub fire
Police are investigating a scrub fire in Peron.
Mandurah teacher allegedly gives birth to student's baby
A Mandurah teacher charged with the "persistent sexual abuse" of a student has given birth to a baby allegedly fathered by the teenage boy.
Australia Day in Rockingham and Mandurah
Rockingham and Mandurah will be hosting Australia Day celebrations on Monday, January 26.
Police investigate after man stabbed in the neck in Madora Bay
Mandurah Detectives are investigating a suspected stabbing in Madora Bay.
Teen boy tragically killed in horror Mandurah crash
A 16-year-old boy has died in a horror crash in Mandurah.
18-year-old male from Lakelands charged over incident in Pinjarra
Mandurah Detectives have charged an 18-year-old male in relation to an incident that occurred in Pinjarra on Tuesday, 13 January 2026.