Prime minister Rumen Radev has sent his condolences to the families and friends of those killed when two trains collided near Toledo in Spain. He wrote on X.
At least 64 people have died, the regional government of Castilla-La Mancha said, as reported by media and the EFE news agency.
The background: Two high-speed trains collide in Spain, at least 30 dead
"I am deeply saddened by the tragic train crash in Spain, which took lives and injured many people," Radev wrote. He wished all the injured a quick and full recovery and said he felt for everyone affected.
"At this difficult time, Bulgaria stands with the people of Spain," the prime minister added.
His thoughts are also with Spanish prime minister Pedro Sánchez, the authorities and the emergency services, who he said are working tirelessly to help the injured.