Fifteen elephants in southern Kenya are suspected to have been poisoned by cyanide-contaminated tomatoes, according to wildlife authorities.

Kenya’s wildlife authorities are investigating the deaths of 15 elephants over the past month in Amboseli National Park.

The Kenya Wildlife Service said 10 of the elephants showed signs of partial paralysis before dying within two days.

Kenya is investigating the deaths of 15 elephants in the Amboseli ecosystem after preliminary tests detected a potential toxic substance