Oscar Pistorius' PR firm said the substance found in his bedroom is Testis compositum, which aids "muscle recovery", according to the Associated Press.
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At least one person has died in the crash after the plane came down in the city of Riverside shortly after take off.
The animal is believed to have been attacked with metal bars, knives and rocks and later died of his injuries.
More than 20,000 allegations of abuse by care home workers have been made in the last three years, figures show.