Guardian: Some of Britain's biggest energy suppliers were holding back gas in storage tanks at a time when the market ran into an acute shortage two months ago, triggering a doubling of wholesale prices.
The revelations came after claims the UK was within six hours of running out of gas completely on 22 March and will feed rising public and political anger over soaring power bills and previous allegations of market manipulation.
The National Grid, which keeps data on the gas industry, revealed that the...