Media playback is unsupported on your device

Royal Mail warns on competition threat from rivals

22 May 2014 Last updated at 13:35 BST

Royal Mail shares have fallen after it warned that competition could threaten future revenues.

The drop followed a reported rise in annual profits since being part-privatised last year.

John Moylan reports.

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.