Media playback is unsupported on your device

'Seen and unseen' security for flights to US

3 July 2014 Last updated at 02:39 BST

The US homeland security department has said it will put into place "enhanced security measures" in certain overseas airports with direct flights to the US.

The UK transport department said the country would be among those to step up security procedures.

Tom Esslemont reports.

Most watched

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.