Police across Western Australia have stepped up patrols of supermarkets in an attempt to calm panic buying during the coronavirus pandemic.
Officers have been based inside shopping centres in both metropolitan and regional WA, including Mandurah, since Tuesday.
Premier Mark McGowan announced the measure earlier this week, urging panic buyers to "stop".
"People are acting like jerks, drongos and bloody idiots," Mr McGowan said.
Mandurah Police have been impressed with the conduct in local shops, with no violent or aggressive incidents to report.
People are looking after each other.
- Senior Sergeant Rob Lewis
Mandurah Police officer in charge, Senior Sergeant Rob Lewis, said residents had been well behaved so far.
"We're keeping an eye on supermarkets throughout the day but especially first thing in the morning to look after the older residents," he said.
"We're travelling pretty well down here - we've had no bad reports in Mandurah.
"People are looking after each other and the shopping centres are also taking a very reasonable, responsible approach."
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The patrols are one of a number of measures being implemented to curb the crazy, occasionally violent, behaviour sweeping through supermarket aisles around the state.
All major grocery chains have placed restrictions of one-two items per person for almost everything available on the shelves, including toilet paper, rice, pasta and tissues.
Many stores have also introduced a dedicated hour of shopping for the elderly and disabled before opening to the general public to help those most vulnerable purchase essential supplies.