ADAMUZ, Spain (AP) — Spanish police said Monday that at least 39 people are confirmed dead in a high-speed rail collision the previous night in the south of the country when the tail end of a train jumped the track, causing another train speeding past in the opposite direction to derail.

At least 39 people have been killed and dozens taken to hospital after a high-speed train derailment in Spain. Follow the latest.

Television broadcaster TVE’s filming of the crash site Monday afternoon brought a jolt of hope: for a few short seconds, a dog resembling Boro could be seen running through a nearby field — an area fenced off while investigators and rescuers continue their search for victims and evidence. But no one managed to locate the elusive pup.

1944: The crash of three trains in the El Bierzo region of Spain’s Leon ‌province is considered one of the deadliest railway disasters in Spain, with the estimated death toll of 78 still being debated due to censorship under the late dictator Francisco Franco.