She said police are investigating the call after deeming it a false alarm. The tower had been evacuated by the time police and emergency services arrived at the scene, she added. The Australian Embassy tweeted that it would be closed for the rest of the day and until further notice.
At 235 meters (770 feet), Torre Espacio is one of four skyscrapers dotting the northern part of the Spanish capital's skyline. Apart from the Australian legation, it houses the embassies of the United Kingdom, Canada and the Netherlands, as well as offices of several multinational companies.