The Rome metro crash took place during rush hour
Details of some of Europe's worst rail accidents in recent years.
15 February 2010: Two trains collide head-on at Halle, south west of the Belgian capital, Brussels, with estimates of the death toll ranging from at least 10 to 25.
29 June 2009: A total of 22 people are killed when a freight train carrying gas explodes and crashes into several homes in the Italian seaside town of Viareggio.
21 February 2009: A train ploughs into a tourist coach on a level crossing near the town of Brezno in Slovakia, killing 11 people on the coach.
8 August 2008: An express train hits a collapsed bridge in the Czech town of Studenka, killing seven people and injuring 70 more, near the north-east border with Poland.
29 February 2008: Nine people die when fire sweeps through an overnight train after erupting in the Bulgarian town of Cherven Bryag.
15 June 2007: Three people die in a head-on crash between cargo and passenger trains in between the towns of Bortigali and Birori in Sardinia.
23 February 2007: One woman dies and 89 are hurt when a Virgin train derails in Cumbria, UK.
4 January 2007: Seven die when a freight train smashes into a truck carrying farm workers at a railway crossing in Hatay province, Turkey.
17 October 2006: Two people are reported killed and around 60 injured when two metro trains collide at Piazza Vittorio Emanuele II station in Rome.
11 October 2006: Six people die when a goods train and a passenger train collide in France just south of the border with Luxembourg.
September 2006: A magnetic monorail train collides with a maintenance wagon, killing 23 people, during a test-run near the town of Lathen in Germany.
August 2006: Six people are killed and at least 36 injured in a passenger train derailment in northern Spain.
June 2006: At least 30 people are killed and a dozen hurt in a metro train crash in the eastern Spanish city of Valencia.
January 2006: At least 39 people die and 135 are injured - many of them skiers - when a train plunges down a ravine after its brakes fail in Podgorica, Montenegro.
January 2005: A crowded Italian train collides head-on with a freight convoy in thick fog near Bologna, Italy, killing at least 14 people and injuring more than 50.
November 2004: Seven are killed and 37 injured as a London to Plymouth train derails after hitting a car on a level-crossing in Berkshire, UK.
August 2004: At least six die and 85 are hurt in a head-on crash in north-western Turkey.
July 2004: A high-speed train from Istanbul to Ankara derails in the north-western province of Sakarya killing at least 36 people in one Turkey's worst ever rail disasters.
June 2003: At least 19 people die when a passenger train and a freight train collide in Spain's Albacete province.
May 2003: A train crashes into a German coach at a level crossing on the shores of Lake Balaton in Hungary, killing 33 people on the coach.
November 2002: Twelve people die in a fire on an overnight sleeper train near the eastern French city of Nancy.
May 2002: A crash at Potter's Bar in Britain kills seven people and injures dozens more when a train derails and smashes into a station.
September 2001: A head-on collision in southern Germany injures 82 people, nine of them seriously.
June 2001: Seven people are killed in two separate train crashes in Germany. Both were apparently caused by vehicles crossing railway lines despite warning signals.
March 2001: Eight people are killed when two trains smash into each other head-on in the village of Pecrot, about 26 kilometres (16 miles) east of Brussels.
February 2001: Ten people are killed in North Yorkshire, UK, when a high-speed passenger train hits a car on the track before colliding with a freight train.
October 2000: Four people are killed in the UK when a high-speed London to Leeds train derails at Hatfield, Hertfordshire.
February 2000: Eight people are killed when an overnight passenger train is derailed near Cologne, Germany.
January 2000: Two passenger trains collide in Norway, 150 km (100 miles) north of Oslo, overturning several coaches and setting off a huge blaze. A total of 19 people die.
October 1999: Thirty-one people are killed when a high-speed passenger train approaching London's Paddington Station collides with a local commuter train.
June 1998: More than 100 people are killed when a German high-speed train travelling from Munich to Hamburg goes off the rails at Eschede.
September 1997: Seven people are killed when a Swansea-to-London express train collides with a goods locomotive.