On Friday morning at 3:15 a.m., a technology upgrade triggered a cascading failure across the whole BART system, shutting it down across the entire Bay Area for the morning commute. It impacted riders on their way to work, to classes, to flights. Train service wasn't fully restored until 11:45 a.m. Its the second full-system outage in four months caused by a technology issue.
Authorities in San Francisco are investigating a suspicious package reported at a building on Battery St., prompting street closures and public advisories to avoid the area.