The presenter and journalist is fronting Julia Bradbury's Wonders Of The Frozen South, which is coming very soon to ITV.

In the gaps between the visible ice, humpbacks blow out steam in spouts of warm whale air. Then a transient type A orca more than six metres long swims right across our bow. The passengers – mostly ...

Veteran Customs staff describe how crime, technology and drug smuggling have transformed New Zealand's border.