People walk past a Vodafone shop in London, on Friday, June 6, 2014
Media playback is unsupported on your device

Vodafone reveals direct government wiretaps

7 June 2014 Last updated at 02:59 BST

Vodafone has said that a small number of governments have direct access to communications flowing over its networks.

Most countries in which Vodafone operates need a warrant to intercept communications, the firm said.

However, in some countries police have a direct link to customers' phone calls and web communications.

Emily Thomas reports.