Smoke from underground electrical lines prompts downtown SF street closures

Summary by The San Francisco Editorial Desk · Byline on the source page: Ryan Mense, as published by KRON4 (KRON-TV) · September 17, 2026 · 1 min read

Photo: KRON4 (KRON-TV) · view original

SAN FRANCISCO (KRON) -- Smoke seen coming from under a manhole cover near the Salesforce Tower in San Francisco Thursday morning was determined to be due to heated electrical lines within an underground vault, according to fire officials. The response has temporarily shut down area streets and is...

Sources and story details

Frequently asked about this story

What is this story about?

When was this published?

This article was first published on September 17, 2026 by KRON4 (KRON-TV) and curated for The San Francisco readers.

Who reported this story?

This story was reported by Ryan Mense at KRON4 (KRON-TV). To learn more about how The San Francisco selects and reviews stories, see our editorial standards.

Where can I find related coverage?

See more safety coverage from The San Francisco, or browse our daily briefing and topic hubs.

Summary created by	The San Francisco Editorial Desk — automated, rule-governed
Byline on source page	Ryan Mense, as published by KRON4 (KRON-TV)
Original story	Read at the source
Source published	Sep 17, 2026
Indexed here	Sep 18, 2026
AI assistance	Automated summary drawn from the source’s own published text
Prepublication human review	No — editorial rules, flagged-item review, and published samples

More from The San Francisco