A national emergency protocol has been activated in Argentina following the theft of a cesium-137 source from a laboratory in Rosario. The radioactive material is used in medical nuclear procedures and its disappearance poses potential health and safety risks. Authorities are currently investigating the incident and attempting to locate the missing capsule. Access to the laboratory where the source was stored was restricted to only four individuals, focusing the investigation on those with authorized access. The theft has prompted a nationwide alert as officials work to contain any potential contamination and ensure public safety. Details regarding the exact circumstances of the theft and the potential consequences are still emerging as the investigation progresses.