Fifteen elephants that died over the past month in southern Kenya are suspected to have been poisoned by tomatoes contaminated by cyanide, wildlife authorities said Wednesday. Authorities did not say who they suspected in the contamination of tomatoes from farms neighboring the Amboseli National Park. “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.