European power grid problem caused Iberian outage, says Spanish Prime Minister

People wait outside a closed metro station, during a major power outage in Barcelona (AP Photo/Emilio Morenatti)

Spain’s Prime Minister Pedro Sanchez has said that a problem in the European grid caused the huge power outage that struck Spain, Portugal and parts of France.

Mr Sanchez described the problem in the European grid as a “strong oscillation” and added that the cause is still being determined.