The draft Communications Data Bill (also known as the Snoopers Charter or Snoopers Charter) is a draft legislation proposed by Home Secretary Theresa May in the United Kingdom. The legislation would allow the UK Government to ban instant messaging applications that use end-to-end encryption to protect the privacy of their users. The authorities fear that they could be exploited by terrorist groups as a communication channel. The proposal would require Internet service providers and mobile service providers to maintain records of each user’s activity, including traffic data, voice calls, and messages.”]
Source: http://securityaffairs.co/wordpress/38505/laws-and-regulations/uk-ban-messaging-applications.html