Multiple media outlets say more than 150 others have been injured.

The accident occurred in suburban Cordoba in the region of Andalusia on Sunday night. A high-speed train traveling from Malaga to the capital Madrid derailed and hit another train traveling in the opposite direction on an adjacent track.

The Spanish newspaper El Pais reported that the last three cars of the eight-car Madrid-bound train derailed about an hour after leaving Malaga. The paper said the train on the other track was travelling at a speed of around 200 kilometers per hour.

More than 300 passengers were reportedly on board the train that derailed first, while the other is reported to have been carrying about 100 people.

Media say more than 20 of the injured are in critical condition.

Spanish Transport Minister Oscar Puente told a news conference that the cause of the accident is still unclear. He said the section of the track had been renovated in May last year. He added that it was “really strange” that a derailment should have happened on a straight stretch of track.

Spanish Prime Minister Pedro Sanchez wrote on social media that it was a night of deep pain for the country because of the tragic train accident. He offered his sincere condolences to the families and loved ones of the victims.

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