It looks like a dog that fatally attacked its owner in London was high on crack cocaine. 

During a coroner's inquest, a veterinary toxicologist testified that high levels of the drug and of morphine were found in the urine of the Staffordshire bull terrier named Major following the March attack, which was witnessed by a BBC crew filming a series about drugs, per the Guardian.

 Mario Perivoitos had begun having a seizure when Major reportedly attacked, crushing his owner's larynx and causing loss of blood. A producer intervened, but 41-year-old Perivoitos died later at a hospital.

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