Police say the incident happened around 8:45 a.m. at the nursing home. The victim, identified by Toronto Police as 87-year-old Francisco DaSilva, was found dead at the scene.
Police say he had suffered obvious head trauma.
An 81-year-old man, Francesco Greco, was arrested and charged with second-degree murder. The accused is a fellow resident in the home.
A post-mortem has not yet been scheduled.
Greco is scheduled to appear in court at Old City Hall on Sunday.
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