A plan for a barrage across the Severn Estuary has been dealt a blow.
An influential committee of MPs has rejected the idea, claiming the economic and environmental case is unproven.
The consortium behind the scheme says it will bring billions in private investment and thousands of jobs.
MPs say developers "failed to address commercial and environmental concerns" in the barrage plan and the scheme's viability isn't proven.
Bristol Port attack barrage project, but unions champion the economic boost to South Wales.
The Prime Minister instructs ministers to explore the development of a hydroelectric barrage across the River Severn.