The Spanish train drivers' union warned the railway operator ADIF in a letter from August about serious wear and tear on high-speed railway lines, including the one on which two trains collided yesterday, Reuters reported, citing a copy of the letter, BTA reported.
Potholes and irregularities, as well as irregularities in the electrical wiring networks, cause frequent breakdowns and damage the trains, the text published on the social network "Ex" says.
It is reported that train drivers have been notifying the operator of their concerns every day, but no action has been taken.
The operator has not yet responded to Reuters' request for comment.
When the accident killed 39 people.
At the moment, the Bulgarian Embassy in Madrid has not received any official information about Bulgarian citizens killed or injured in the serious train accident near the town of Adamuz, province of Cordoba, southern Spain, the Ministry of Foreign Affairs (MFA) announced in response to a request from BTA.
Our diplomatic mission in Madrid is in constant contact with the local authorities and is closely monitoring the current situation, the ministry added.