Massive blackout in Zurich, officials cite technical issues
The Zurich Electricity company (EWZ) tweeted that the blackout took place shortly before 2pm local time (12:00 GMT).
The company added that two transformers had been shut down due to “unknown reasons.”
The lights were off on Zurich's main downtown street, Bahnhofstrasse, Swiss 20 Minuten newspaper reported.
Several shops had increased security measures, according to the paper.
The affected area included Bahnhofstrasse, one of the world's most expensive and exclusive shopping avenues, as well as Schanzengraben and Wiedikon districts, EWZ said.
#Stromausfall im ewz-Unterwerk Katz kurz vor 14.00 Uhr. 2 Trafo sind zurzeit ausgeschaltet. ewz-Spezialisten suchen die Ursache.— ewz (@ewz_energie) April 27, 2016