San Francisco power outage sparks social media speculation

SAN FRANCISCO (KGO) -- The San Francisco power outage was mysterious in origin for many hours. The lack of early answers triggered widespread speculation on social media.

RELATED: Power nearly restored after massive outage in San Francisco

The hashatags "PowerOutage" and "SFOutage" have been trending all Friday, with people using social media to document their experience.

Watch the video in the player above for the full story.

FULL VIDEO: SF officials hold news conference to give update on outage

Officials gave an update on the massive power outage affecting tens of thousands of people in San Francisco on Friday. Here's a look at the full news conference.

Click here for more on the San Francisco power outage.