1.   Alpine tunnels have suffered three catastrophic fires in less three years, and all of them were caused by trucks.

2.   All Alpine tunnels have their particular risks.

3.   Even self-assured drivers can feel pangs of anxiety after driving miles through the dusky phosphorescence of an Alpine tunnel.

4.   That leaves only two major Alpine tunnels open for business.

5.   The accident is certain to fuel discussion of the safety of Alpine tunnels in general.

6.   The Alpine tunnels have been a bottleneck for transportation for years.

7.   The deaths were particularly unsettling since they are only the latest resulting from a string of fires in Alpine tunnels over recent years.

8.   The raging Alpine tunnel fire that broke out here on Wednesday appears to have killed far fewer people than originally feared, the police said Friday.

9.   It urged Swiss authorities to ban trucks from all Alpine tunnels, and do more to encourage transport companies to shift freight onto the railways.

10.   It was the second deadly Alpine tunnel fire in just over two months.