Its authors said the extensive and persistent use of tear gas against civilians by Bahrain's security forces during the past 18 months was unprecedented in the 100-year history of its use throughout the world.

BBC: Bahrain authorities 'weaponising' tear gas

Since electricity supply was privatised in the 1990s, there have been persistent complaints that suppliers have employed salesmen who set out to trick customers on their doorsteps into switching from their existing gas or electricity firm.

BBC: MPs call for energy doorstep mis-selling compensation