Emergency services, drones and dog unit continue to comb carriages as Civil Guard sets up clinics for relatives to provide DNA samples

• How did the Spain train crash happen and what will investigators be asking?

Spain began three days of mourning on Thursday for at least 69 people who died in a high-speed rail collision, as hospitals continued to treat dozens of injured passengers and train drivers went on strike to urge more investment in railway safety.

The trains – one from Spain’s state-owned Renfe and the other from the private rail company Iryo – were travelling from Madrid towards the southern region of Andalucía on Wednesday when they collided just before 9am. After the Iryo train came to a halt, the other slammed into its rear, knocking several carriages off the track near Urda in the central region of Castilla-La Mancha.

Emergency services, drones and dog unit continue to comb carriages as Civil Guard sets up clinics for relatives to provide DNA samples

• How did the Spain train crash happen and what will investigators be asking?

Spain began three days of mourning on Thursday for at least 69 people who died in a high-speed rail collision, as hospitals continued to treat dozens of injured passengers and train drivers went on strike to urge more investment in railway safety.

The trains – one from Spain’s state-owned Renfe and the other from the private rail company Iryo – were travelling from Madrid towards the southern region of Andalucía on Wednesday when they collided just before 9am. After the Iryo train came to a halt, the other slammed into its rear, knocking several carriages off the track near Urda in the central region of Castilla-La Mancha.

A movement that began in outrage has delivered remarkable election upset, showing that change is possible and prompting questions over what comes next

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In April of last year, dozens of students set off from Serbia, intent on making it to Strasbourg, France on bicycles. The aim of the arduous, 13-day transcontinental journey was simple: to make their voices heard in Europe and beyond.

In their home city of Novi Sad, students had been holding near-daily protests after a deadly roof collapse at the city’s main railway station. As their push for accountability and justice spread across the country, it was met with baton-wielding police, teargas and a political class that branded these young people as traitors.

A movement that began in outrage has delivered remarkable election upset, showing that change is possible and prompting questions over what comes next

• Don’t get This Is Europe delivered to your inbox? Sign up here

In April of last year, dozens of students set off from Serbia, intent on making it to Strasbourg, France on bicycles. The aim of the arduous, 13-day transcontinental journey was simple: to make their voices heard in Europe and beyond.

In their home city of Novi Sad, students had been holding near-daily protests after a deadly roof collapse at the city’s main railway station. As their push for accountability and justice spread across the country, it was met with baton-wielding police, teargas and a political class that branded these young people as traitors.

Questions were raised before Toledo crash over rail safety in a country where train travel has surged by 40%

Spain’s high-speed rail network, the most extensive in Europe and the second largest in the world after China, has long been a point of pride in the country. But Wednesday’s deadly crash – the second in nine months – has recast the spotlight on questions about safety.

Officials said at least 68 people were killed on Wednesday morning after a high-speed train slammed into another that had stopped on the tracks, leading to the derailment of several carriages. The two trains were believed to be carrying 544 passengers.

High-speed service travelling from Madrid to Seville ran into back of another, knocking two carriages off track

• Spain train crash – latest updates

The Spanish prime minister has declared three days of mourning after at least 68 people were killed and dozens more injured in a collision between two high-speed trains in central Spain.

The trains were travelling in the same direction on the line that stretches from the Spanish capital, Madrid, to Seville on Wednesday when one of the trains ran into the tail of the other that had stopped, knocking several carriages off the track.

High-speed service travelling from Madrid to Seville ran into back of another, knocking two carriages off track

The Spanish prime minister has declared three days of mourning after at least 68 people were killed and dozens more injured in a collision between two high-speed trains that officials suggested was caused by an “inexplicable” error at the central command centre.

The trains, one from Spain’s state-owned Renfe and the other from the private rail company Iryo, were travelling on Wednesday morning in the same direction on the line that stretches from the Spanish capital, Madrid, to the southern region of Andalusia. After the Iryo train came to a halt, the other slammed into its rear, knocking several carriages off the track near the town of Urda.