July 31 2020 2:37pm

Natural toxin may explain mysterious deaths of elephants in Botswana, wildlife official says

Warning: This video contains graphic images. Discretion is advised. A wildlife official this week said the mysterious death of hundreds of elephants in Botswana over the past two months was possibly due to a naturally-occurring toxin, adding that preliminary tests showed it was unlikely to be due to an infectious disease.

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