A man in his 30s has died and four other swimmers rescued after an incident at the Moore River in Guilderton.
Emergency services received reports of multiple swimmers in distress at 10:45am on Tuesday and sent five ambulances to the scene.
Police said five swimmers were pulled from the water by bystanders, but one, a 38-year-old man, could not be revived by paramedics.
Police say five swimmers were pulled from the water. (ABC News)
The remainder of the swimmers were treated at the scene, police said.
A witness who arrived in the small coastal town after the incident told the ABC it appeared a defibrillator had been used near the river mouth close to the local caravan park.
He said police had cleared the area and had cordoned off the scene.
A report will be prepared for the WA coroner.
Guilderton is a holiday town about an hour north of Perth. School holidays began in WA this week.
In 2019, a seven-year-old girl drowned at Moore River while on an outing with her family.
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