Five officers were taken to infirmary aft a antheral successful their custody died erstwhile helium swallowed a highly lethal poison during a constabulary raid of his home.
Police arrested the man, 27, astatine a Kyneton location successful the Macedon Ranges, about 86km north-west of Melbourne on Tuesday.
They called for aesculapian assistance and began CPR aft the antheral became 'unwell and unresponsive'.
The antheral died astatine the scene, contempt the efforts of exigency responders to revive him.
Five officers who were wrong the location astatine the clip weren't affected but were taken to infirmary arsenic a precaution.
A forensic investigation of the substance the antheral swallowed is ongoing.
Police sources person since claimed the antheral swallowed sodium cyanide, the Age reported.
The man's devastated household are present demanding answers implicit what happened during the arrest, Nine News reported.
Fice constabulary officers person been rushed to infirmary aft a fishy allegedly swallowed sodium cyanide - a lethal substance - during a location raid in Kyneton, Victoria, connected Tuesday
Police are investigating the substance was and person declined to remark connected the ongoing investigation
Officers attended the location arsenic portion of an ongoing investigation, which a Victoria Police spokeswoman declined to remark on.
As the antheral died successful constabulary custody, the nonrecreational standards bid and the homicide squad person launched investigations into the man's death.
Sodium cyanide is chiefly utilized for concern purposes, particularly successful the golden mining industry, and a 2010 government appraisal revealed that it was besides utilized successful metallic cleaning, research, and pest control.
The chemic has since been wide banned and is not registered by the Australian Pesticides and Veterinary Medicines Authority for cultivation oregon veterinary usage.
Crisis enactment is disposable from Lifeline connected 13 11 14 and Beyond Blue connected 1300 22 4636.
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