BBC: A nuclear reactor at the Torness power station in East Lothian has gone offline in an unplanned outage, its operator has said.
EDF Energy said the 640MW Torness 2 reactor went offline at 01:16 on Friday.
The unit was expected to remain unavailable for seven days, the firm said. It means nearly 5GW of British nuclear capacity is offline.
The reactor normally has a capacity of 640 megawatts.
Paul Winkle, Torness Power Station director, said: "The reactor shutdown safely and cooling to the...