A high-speed train derailment in southern Spain has left at least 39 people dead and injured more than 150, according to authorities

The incident near the city of Córdoba has been described by local officials as Spain's worst rail crash in more than a decade. Prime Minister Pedro Sánchez visited the scene on Monday, where he announced a three-day mourning period. Here's what we know about the incident so far.

Spain's railway system was under scrutiny on Wednesday after a commuter service crashed near Barcelona, days after at least 43 people were killed in a collision between two high-speed trains. Opened in 1992,

A deadly high-speed train collision near Adamuz, Spain has killed at least 41 and injured many more as an investigation is underway.

The news late Tuesday of another train crash mere days after Spain’s worst railway disaster since 2013 left many Spaniards in disbelief. Emergency workers were still searching for victims in the wreckage from Sunday’s high-speed crash in southern Spain that killed at least 42 people and injured dozens some 800 kilometers (497 miles) away.

Spain's biggest train drivers' union on Wednesday called a three-day nationwide strike for February 9-11 to demand measures to guarantee railway safety after three derailments in 48 hours caused crashes that left dozens dead,

A high-speed train in Germany traveling at 200 kph (125 mph) collided with a bridge at Eschede, causing it to collapse. The crash killed 101 people and injured a further 100. It was Germany ’s deadliest postwar rail disaster.