Spanish National Police cleared out all stores around the Telefonica (first and biggest telecom company in Spain) building in Fuencarral and Gran Via streets. The police were inspecting the area and the building with canine units after a bomb threat.

https://www.20minutos.es/noticia/4524375/0/policia-nacional-desaloja-tiendas-calle-fuencarral-proximas-gran-via-madrid/

Apparently that building is also a Datacenter and not just offices.

https://www.datacentermap.com/company/telefonica.html