The train races into view, and in the space of a heartbeat, the cars derail and crash into a wall of concrete, flipping onto their sides and skidding along the track with terrifying speed and force.
Security footage shows the horror of the moment an express train derailed as it hurtled around a curve in northwestern Spain on Wednesday. A spokeswoman for the Spanish government in the Galicia region, speaking on routine condition of anonymity, confirmed 80 people have died in the crash.
A woman from Arlington, Virginia, is among the dead. And at least five other U.S. citizens were injured, Deputy State Department spokeswoman Marie Harf said.
Flames burst out of one train car as another car was snapped in half after the crash. Rescue crews and fellow passengers pulled bodies through broken windows and pried open doors as stunned survivors looked on.
Investigations into the cause of the crash continue, but suggestions that the train was traveling too fast appear to be gaining weight.
The train driver is being questioned by police and is under formal investigation, said Maria Pardo Rios, a spokeswoman for the Galicia regional supreme court. "He is not being charged by a judge at the moment -- it is all at a police level," she said.
Of the scores of people injured in the crash, 95 remained hospitalized Thursday, officials said. Thirty-two adults were in critical condition.
Most of the deaths happened at the scene, Rios said. In Spain, judges typically record deaths that take place outside of hospitals.
Judicial teams are still at the crash site and expect to find more bodies, she told CNN on Thursday morning.
Interim charge d'affaires Luis G. Moreno at the embassy said it was in touch "with families of some injured American citizens."
"We are deeply shocked by the news of last night's train crash in Galicia. Our hearts and prayers are with the friends and families of the victims," he said Thursday.
UK Foreign Secretary William Hague said one British citizen was injured.
The crash came on the eve of a public holiday held to mark the region's saint's day. Local officials canceled festivities planned for Wednesday night and Thursday across Galicia.
Train's speed questioned
The state railway, Renfe, said the train crashed on a curve several kilometers from the train station in the city of Santiago de Compostela, a popular tourist destination.
The train was nearing the end of a six-hour trip from Madrid to the town of Ferrol in northwest Spain when it derailed at 8:41 p.m. Wednesday, the railway said.
It was unclear how fast the train was traveling when it crashed. It was capable of going up to 250 kilometers per hour (155 mph), said Julio Hermida, a spokesman for the state railway.
The driver, who suffered minor injuries, told police the train had entered the bend too fast, TVE reported.
The driver has worked for the company for the last 30 years, a spokesman for the railway confirmed to CNN. In 2000, the driver started working as a train driver assistant, and in 2003 began working as a train driver, a job the driver has held since.
Rafael Catala, secretary of state for transport and housing, told Spanish radio network Cadena SER that the "tragedy appears to be linked to the train going too fast," but that the reasons for that are not yet known.
Spanish news agency Efe and national daily El Pais cited sources within the investigation as saying that the driver had said the train was going at about 190 kilometers per hour, and that the limit on that curve was 80 kilometers per hour (50 mph.)
The president of Renfe, Julio Gomez-Pomar, told radio station COPE on Thursday that the train had undergone a routine inspection that same morning.
"The train did not have an operating problem," he said. "The maintenance and control record of the train was perfect."
Spain's King Juan Carlos visited a hospital in Santiago de Compostela where victims injured in Wednesday's train accident are recovering.