“We can confirm a suspicious package was received at the U.S. Embassy in Madrid, and are aware of reports of other packages sent to other locations throughout Spain,” the American embassy said in a response to an Associated Press inquiry.Police said they were delivered to Spain’s Defense Ministry, a European Union satellite center located at the Torrejón de Ardoz air base outside Madrid and to an arms factory in northeastern Spain that makes grenades sent to Ukraine.Pérez said the one intact explosive device was from the air base and that it and its packaging would be part of the investigation.Robles was visiting Ukraine on Thursday to support its defense effort with another aid package.Pérez said security was increased at public buildings following the discovery of the package sent to Spain's prime minister."