Mystery over mass antelope deaths in Kazakhstan

28 May 2010 Last updated at 00:22 ET Help

A mystery disease has killed more than 10,000 saiga antelope in Kazakhstan.

Conservationists are warning that the mass deaths could spell disaster for the saiga, which is already an endangered species.

The figure could account for up to a quarter of the global population of the species.

Wendy Urquhart reports.

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