One of the protesters leading the fight against National Grid's plans for a new network of pylons carrying electricity from Hinckley Point to Avonmouth says technology exists to bury the cables underground.
Paul Hipwell told the West Country Tonight that "undergrounding" is common in Europe.
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Up to 10 fire engines and crews have been tackling the blaze since around 3:30am this morning.
Mist and fog patches from overnight will clear by mid-morning and it will be a dry day with sunny spells for most.
Any mist patches that developed overnight will clear by mid-day, leaving a dry and mostly sunny day for the region.