A Swiss nuclear power plant has been temporarily deactivated as part of routine inspections at the facility.
BKW energy company authorities carrying out checks at the Mühleberg plant near Bern decided to switch off the plant on Saturday as a precaution in between two operational tests.
The plant was reactivated after several hours. Authorities said the plant was safe, with no increases in radioactivity measured after the deactivation.
Switzerland has five nuclear power stations which account for around 39 per cent of the country's electricity production.