Farmers bordering Kenya's Amboseli National Park have denied using cyanide after 15 elephants died from suspected poisoning. Wildlife authorities say preliminary tests detected cyanide, but investigations are continuing to determine its source and concentration. Kenya Wildlife Service (KWS) is investigating the deaths of 15 elephants in Amboseli National Park after preliminary laboratory tests detected cyanide in samples collected from the animals. Farmers deny responsibilityLocal farmers strongly reject suggestions that the poison came from crops grown near the park. Conflict at the park's edgeKimana, a major farming area bordering Amboseli National Park, produces tomatoes, onions and French beans for markets across Kenya, including Nairobi.