Multiple unknown objects discovered near Castellano Way and Vandergrift Drive in Oceanside triggered an investigation Sunday, prompting authorities to shut down the immediate area and issue a shelter-in-place order for nearby residents. Authorities identified at least one of the objects as suspicious, and the items bore concerning markings.
According to 10News, authorities shut down the immediate area around the discovery site as they worked to determine what the objects were and whether they posed a threat. Hazmat officials worked to identify the contents. The report does not identify the San Diego County Sheriff's Department Bomb/Arson Unit as part of the response.
The County of San Diego Department of Environmental Health and Quality page is included as a reference on hazardous-incident response.
Traffic Snarled by SigAlert as Shelter-in-Place Takes Hold
Authorities issued a SigAlert that lasted several hours as the investigation unfolded, according to the same report. A SigAlert was in effect as the investigation continued.
A shelter-in-place order was also issued for residents in the area of 700 Arthur Ave. and 4900 El Mirlo Drive. The reported discovery location was near Castellano Way and Vandergrift Drive, with property information for the area available through Redfin.
A Corridor With a History of Security Scares
The Coast News has reported closures on Vandegrift Boulevard related to Camp Pendleton. The intersection at Vandegrift and Castellano is served by North County Transit District Route 311; Route 315 also runs via Vandegrift, according to route data from TransSee.
The provided sources do not establish a separate unattended-package closure near Camp Pendleton. The article also links to NBC 7 San Diego, without details about separate suspicious-package calls elsewhere in the county.
Oceanside police and fire crews can respond to public-safety calls. The department's dispatch center helps route calls for response.
The precise nature and contents of the objects found near Castellano Way, whether any hazardous materials or criminal intent were confirmed, and whether the shelter-in-place order had been fully lifted remain unclear as of publication.
