Poachers have used cyanide to kill more than 80 elephants in Zimbabwe , park official says . The poachers poisoned natural salt licks in Hwange National Park , official says . Demand in Asia , United States . Environment minister says he will push for tougher penalties for ivory poachers . Comment:
Poachers have used cyanide to kill more than 80 elephants in Zimbabwe , park official says . The poachers poisoned natural salt licks in Hwange National Park , official says . Environment minister says he will push for tougher penalties for ivory poachers . Comment: