On Monday, the Spanish Transport Minister Oscar Puente said “a serious act of sabotage” impacted some trains, including halting some trips.
The issue sparked on Sunday, and the services were resumed later.
According to authorities, more than 10,000 people were left in the stations after cable thefts along a train route and a technical issue disrupted high-speed rail travel.
Puente said that the Spanish national police force is investigating the incident, adding that five locations on the line between Madrid and Seville were impacted.
He said those were partly responsible for widespread travel interruptions on Sunday, which is Spain's Mother’s Day.
Puente underscored: “Whoever did it knew what they were doing because there were no cameras, and the financial gain is absolutely negligible compared with the enormous damage."
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