Winter is back: fresh snow led to a number of road accidents in Switzerland on Thursday and caused a widespread power cut. In the evening, the Gotthard Tunnel even had to be closed owing to snowfall. But it will be spring-like warm at Easter. +Get the most important news from Switzerland in your inbox Over a thousand connections in the Diemtigtal valley in Bern were affected by a widespread power outage on Thursday morning, a BKW spokesperson told the Swiss News Agency Keystone-SDA. The power went out at 5:52am. Diemtigen in the Bernese Oberland was back on the grid after around two hours, but households in the other municipalities in the valley had to wait longer. Finally, from 10:30am, all customers in the Diemtigtal valley were supplied with electricity again. According to the spokesperson, the breakdown was probably caused by the snow and ice. It had snowed heavily during the night. + Eight things you should know about the Gotthard Thick snowflakes also moved across central ...