Forty-one people were injured in central Switzerland when a British tourist bus and four trucks were involved in a collision on Friday, police said.
Four people suffered serious injuries in the accident that occurred around lunchtime in a construction zone on a motorway between the towns of Sempach and Sursee. The tourist bus was on its way back from Italy.
The cause is under investigation, a Lucerne cantonal police statementexternal link said. The damage is estimated to run into “several hundred thousand Swiss francs”.
At least three rescue helicopters and 20 ambulances went to the accident site about 40 kilometres southwest of Zurich.
The construction zone, which is on the A2 road, has seen several collisions of late. This includes as recently as Tuesday, when a delivery van drove into the wall of the Eich Tunnel and flipped over, causing injury to the driver.
A representative from the Federal Roads Officeexternal link told Swiss public radio SRFexternal link that the office was aware of the increase in accidents on this stretch of road. He said the authorities would be verifying the construction site and looking at whether any optimisation was needed, which would be implemented straightaway.
swissinfo.ch with agencies