Investigators are looking into the mysterious deaths of 15 elephants in Kenya's Amboseli ecosystem after a potential toxic substance was detected in samples.

• A potential toxic substance has been identified in samples collected from the deceased elephants.
• The Kenya Wildlife Service (KWS) is leading the investigation, awaiting confirmatory tests.
• While preliminary tests for some toxins were negative, further analysis is underway for other possible contaminants, and environmental factors are also being examined.