Media reports and eyewitnesses said that a huge explosion was heard in the center of the Spanish capital, Madrid, today, Wednesday.
Sources and reports did not provide further details about the accident.
Two witnesses said they heard a loud explosion. They said that a column of smoke rose over the area after the explosion.
The Spanish television station “La Sixa” also confirmed the explosion.
So far, the emergency services did not give a statement about what happened.
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