A GIANT drilling machine punched its way through a final section of Alpine rock yesterday to complete the world’s longest tunnel, after 15 years of sometimes lethal construction work.

Rescue workers are still looking for bodies in the Gotthard Tunnel in Switzerland.

As many as 80 people are feared missing inside a Swiss road tunnel after a collision between two trucks caused a huge underground fire yesterday.

Extreme heat defeated efforts by firefighters today to tackle a blaze in the world’s second-longest road tunnel which killed up to 20 people.