Fifteen elephants in southern Kenya are suspected to have been poisoned by cyanide-contaminated tomatoes, according to wildlife authoritiesNAIROBI, Kenya -- Fifteen elephants that died over the past month in southern Kenya are suspected to have been poisoned by tomatoes contaminated by cyanide, wildlife authorities told local media Wednesday. The park in southern Kenya borders an area where farming and the raising of livestock are prevalent. “Cyanide is a highly toxic chemical, particularly for elephants,” Kanga told local media. The Kenya Wildlife Service warned that the contamination could have wider consequences because livestock also graze in the area. “Other than the elephants and the wildlife that may be feeding in those fields, we have the local livestock.