麻豆约拍

The World Health Organisation says the Zika virus - which is carried by mosquitoes and linked to severe birth defects in humans - has spread to more than twenty countries in the Americas. We report live from Rio and assess the wider risk to public health.

A former Army officer trying to cross Antarctica alone and unsupported has died in hospital - having ended his trek just 30 miles from the finish. We speak to his friend, the head of the Army, Sir Nick Carter.

And we eavesdrop on a "war game" taking place in London, designed to reflect the negotiations underway on the UK's place in the EU.