Photos: Explosion rocks S.F.
Officers put up police tape around the site of an explosion in downtown San Francisco, which may have been caused by a transformer below the street.
![bill-detwiler.png](https://www.zdnet.com/a/img/resize/af8b24752cf6b167db8b41c347e1940798e87431/2013/04/04/651150fe-1175-11e4-9732-00505685119a/bill-detwiler.png?auto=webp&fit=crop&frame=1&height=192&width=192)
![14617.jpg](https://www.zdnet.com/a/img/resize/2f223818940437b0ab84a78876d74655d821a24c/2014/08/29/1f441216-2f5a-11e4-9e6a-00505685119a/14617.jpg?auto=webp&width=1280)
1 of 4 Bill Detwiler/ZDNET
police tape
Officers put up police tape around the site of a Friday morning explosion in downtown San Francisco. It may have been caused by a transformer below the street.
2 of 4 Bill Detwiler/ZDNET
police cordon off street
Police cordon off a street in downtown San Francisco after an explosion hit near Post and Kearny streets around 10 a.m.
3 of 4 Bill Detwiler/ZDNET
crowd gathers
Crowds gather to catch a glimpse of what caused an explosion near Post and Kearny streets in downtown San Francisco on Friday morning.
4 of 4 Bill Detwiler/ZDNET
reporter
A television reporter interviews a witness after a downtown San Francisco blast blew off a manhole cover, hurt a woman and prompted police to shut down streets.
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