The crash in Catalonia in northeastern Spain came just two days after a separate deadly train collision killed at least 42 people in the country's south and injured dozens more

Emergency workers Tuesday were still searching for more victims in the wreckage from Sunday's deadly train accident that took place some 800 km away as the nation began three days of mourning

Emergency services in Catalonia said of the 37 people affected by Tuesday's crash, five were seriously injured. Six others were in less serious condition. Emergency services said 20 ambulances had been sent to the site of the crash, and that the injured were taken to hospitals in the area. Regional firefighters said most of the injured had ridden in the first train car

Spanish Prime Minister Pedro Sanchez acknowledged the Barcelona area crash, writing on X: "All my affection and solidarity with the victims and their families"

While Spain's high-speed rail network generally runs smoothly, and at least until Sunday had been a source of confidence, the commuter rail service is plagued by reliability issues. However, accidents causing injury or death are not common in either