The Herald's picture editors showcase the best images from around the globe.

Poison gas conjures up the ghost horrors of WWI. But it’s been used in battle since. And Western leaders are warning that Russia may use it soon in Ukraine. What would that mean?

A selection of photographs from around the world by Fairfax picture editors.

What was supposed to be on the trip of a lifetime for a pair of young Aussie backpackers has become a nightmare for the family of Rye Hunt, in the fortnight since he vanished in Rio de Janeiro, Brazil.

The Rio Olympics are yet to produce its final medal tally but one team has already claimed victory.