Running an ageing nuclear reactor at Hunterston in North Ayrshire for another year could cause cracks in its core to rise 65 per cent to nearly a thousand.
Cracks that could increase the risk of a radioactive accident at Torness nuclear station in East Lothian will start appearing six years sooner than previously thought, says UK safety watchdog.
The UK government is trying to resurrect plutonium-powered reactors despite abandoning a multi-billion bid to make them work in Scotland.
The Ministry of Defence has been attacked for planning to increase discharges of radioactive waste from Faslane into the Firth of Clyde by up to 50 times.
EDF Energy under fire for advising that the emergency zone to protect people around cracked nuclear reactors at Hunterston could be shrunk to a kilometre.
The graphite cores of two ageing nuclear reactors at Hunterston in North Ayrshire have begun to crumble as cracks spread.
One of the two cracked reactors at Hunterston B nuclear power station in North Ayrshire has been given permission to reopen - but only for four months.
The UK nuclear safety watchdog has boosted checks on two reactors in Scotland because of proliferating cracks in their graphite cores.
Pressure is mounting to keep two nuclear power reactors at Hunterston in North Ayrshire closed after the company that runs them, EDF Energy, said that it had found more cracks and was again postponing plans to restart.