A man who died at a senior care facility in Walnut Creek last year accidentally drank a poisonous liquid, according to an autopsy report from the Contra Costa County Coroner’s Office.
The final report on the death of 94-year-old Constantine Canoun said his Aug. 31, 2022 death was caused by “a caustic injury to [his] pharynx, esophagus and stomach” that was caused by an “ingestion of akaline cleaning solution.”
Canoun ingested the liquid and fell ill Aug. 23, four days before the deaths of two elderly men in San Mateo County that happened in similar fashion. Those deaths also happened at a facility owned by Kentucky-based Atria Senior Living.
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