A section of the A9 autoroute in Valais has been closed to trucks and a lane closed for cars after part of the road collapsed.
A hole over a meter across opened up between Sierre and Sion - and police admit they have no idea why.
On worries heavy vehicles may cause more problems, any over 3.5 tonnes have to take a detour.
Engineers are now trying to figure out the reason for the collapse.
Thousands demonstrate in Geneva
Around 2,000 public sector workers took to the streets in Geneva yesterday afternoon, marking their fourth strike in six months.
Geneva to fight French road plan
The City of Geneva is stepping up its fight against the planned A412 autoroute between Machilly and Thonon in neighbouring France.
Switzerland seeks sovereign defence AI
Switzerland is stepping up efforts to secure its own military-grade artificial intelligence.
Immigration keeps us young
Immigration is playing a key role in keeping Switzerland’s population younger - and its social systems afloat.
We're embracing AI
Artificial intelligence is spreading fast in Switzerland.
Remember, radar detectors are illegal
Trying to outsmart speed cameras in Switzerland can backfire.
