Hundreds of elephants dead in mysterious mass die-off

Botswana's government is yet to test the remains of the dead animals in what has been described as a conservation disaster'

More than 350 elephants have died in northern Botswana in a mysterious mass die-off described by scientists as a conservation disaster".

A cluster of elephant deaths was first reported in the Okavango Delta in early May, with 169 individuals dead by the end of the month. By mid June, the number had more than doubled, with 70% of the deaths clustered around waterholes, according to local sources who wish to remain anonymous.