The Spain train crash near Urda, south of Madrid, has left at least sixty-eight people dead and about eighty injured, according to Al Jazeera. It is the country's second deadly high-speed rail disaster in under a year, and it landed just weeks before a national election.

The collision happened just before nine on Wednesday morning, on the Madrid to Seville line. A state-run Renfe train hit the back of a stalled Iryo train, a private operator's service. Two of the Iryo carriages derailed and tumbled down an embankment.

What happened on the tracks

Around half past eight, a computer failure knocked out LZB, the main signalling system that keeps trains a safe distance apart. About six trains across a stretch of roughly thirty-nine miles stopped automatically. Control then passed to a centre in Madrid run by Adif, the state company that manages the rail network.

According to Al Jazeera, citing a preliminary investigation by El Pais, controllers cleared the Renfe train to resume normal speed at eight thirty-six. The Iryo train got the same order five minutes later but never moved. By the time its driver reported it was still stalled, the Renfe train was doing more than one hundred and twenty-four miles an hour.

The Renfe train carried three hundred and ninety-seven people. The Iryo train carried one hundred and forty-seven. Regional leader Emiliano Garcia-Page said about fifty of the injured were in serious condition, with fifteen critical.

An "inexplicable" order

Transport Minister Oscar Puente called the control centre's instruction "inexplicable" and said the drivers were not to blame. Under normal rules, when LZB fails, trains may only move at up to about twenty-five miles an hour so the driver can spot an obstacle and stop. A backup system exists, but it only detects trains at set points along the track.

The companies tell different stories. Renfe says its train moved as instructed, while sources close to Iryo told the Spanish agency EFE that its train stopped at a signal and called controllers as required. Adif has not yet identified where things broke down inside its control room.

Old tech on a famous line

Here is the detail that stings. The Madrid to Seville route is the only Spanish high-speed line still using LZB, a system dating back to the line's opening in 1992. Adif won a contract in 2021 to swap it for the European standard, but the work is still unfinished.

The toll is the worst for a European rail accident since the 2013 Santiago de Compostela derailment, which killed eighty people. In January, a high-speed derailment near Adamuz killed forty-six people, and it also involved Renfe and Iryo trains. Prime Minister Pedro Sanchez said the two causes looked unrelated but called two crashes in a year "unacceptable for a country like Spain."

Rail engineer Jose Luis Gonzalez Vallve told EFE that the main system, which detects a stopped train ahead and can brake automatically, would have prevented the crash had it been working. Al Jazeera also reports, citing El Pais, that there was no trackside signal between the two trains that could have halted the Renfe service, leaving the controllers' instructions as the only safeguard. That gap is exactly what investigators will probe, and it explains why so many Spaniards are asking how a single order could carry such a heavy consequence for hundreds of passengers on a modern line.

Politics and the road ahead

Sanchez declared three days of national mourning and cancelled campaign rallies. According to the Associated Press, the country is now reckoning with the crash as the vote nears. On Wednesday evening, about fifteen hundred people protested outside the Transport Ministry, demanding Puente resign, and clashed with police.

The opposition split on tone. People's Party leader Alberto Nunez Feijoo paused campaign events and asked for a full investigation. Vox leader Santiago Abascal kept campaigning and called the government "a criminal organisation."

For travellers, high-speed service between Madrid and Andalusia is suspended. Renfe has halted ticket sales on that corridor until December thirteenth, with an alternative service running from Friday. Trains still run between Madrid and Toledo, and between Malaga and Seville.

Investigators from the Civil Guard are collecting evidence at the site, and the key question is how the Spain train crash got past every safeguard. Until the findings land, expect the rail network's safety record to dominate the final stretch of the campaign. More world coverage lives on our world desk.