2001: October 24 — Two trucks collide in Switzerland’s Gotthard tunnel, killing at least 11 people and causing a fire that fills the world’s second-longest tunnel with black smoke. Parts of the 16.9 km (10.6 mile) tunnel roof collapse.

October 17 — A pig transport truck crashes into a line of cars in heavy fog near the entrance to the the Guldborg Sound tunnel between the islands of Lolland and Falster, near the town of Sakskoebing, in southern Denmark, killing five.

May 28 — A truck catches fire in the tunnel leading from Turin to Bardonecchia in northwest Italy. The vehicle bursts into flames and 14 people are taken to hospital suffering from smoke inhalation.

2000: November 11 — At least 159 people are killed when fire engulfs a funicular train packed with skiers in a tunnel on Austria’s 3,200-metre (10,500-foot) Kitzsteinhorn mountain.

June 10 — At least 58 people, mostly tourists, are injured when two cog-wheeled trains collide in a single-track tunnel on the outskirts of the Alpine town of Garmisch-Partenkirchen near Germany’s highest mountain, the Zugspitze.

1999: May 29 — Twelve people die in a fire following a collision involving cars and a truck loaded with paint in the Tauern tunnel under the Alps southeast of Salzburg trapping about 50 motorists.  The Tauern is a 6.4-km (four-mile) long Alpine tunnel between Flachau and St Michael, which carries a major road link between Germany and Italy.

March 24 — Thirty-nine people are killed in a fire that traps at least 30 vehicles in the tunnel under Mont Blanc, Europe’s highest mountain.

1996:  November 18 — Fire breaks out in a train carrying trucks through the Anglo-French Channel Tunnel, injuring 34 people.

18 March — in a tunnel along the Palermo-Punta Raisi motorway in Italy, a tank-truck carrying 2500 litres of liquid petroleum gas (LPG) is hit by a coach. The impact ripped off the top of the coach, provoking the escape of gas, which caught fire within seconds. At the moment of the accident there were 22 cars and a minibus in the tunnel, besides the coach, with a total of 50 persons. Five people were burned to death and twenty were severely injured.

February 10 — A car and a bus are trapped when a huge rock plunges from a mountainside and smashes through a tunnel roof on the Japanese island of Hokkaido. Twenty people are killed.

1995: October 28 — About 300 people are crushed and suffocated in an airless tunnel, when an underground railway train catches fire between Narimanov and Ulduz stations in central Baku, the Azerbaijan capital.

1993: August 2 — Twelve people are killed in a tunnel in Spain when a passenger train and a goods train collide near Vega de Anzo in the northern province of Asturias.