February 15, 2017 5:05 pm RAW: SF Fire Official Explains High-Rise Incident in SoMa Assistant Fire Chief Tom Siragusa says a construction company was in the process of placing a crane atop a building when a strut that helps hold the 30-ton crane up failed. US & World Videos 2:18 Workers' Memorial Day: Bay Area community honors those who lost lives on the job 0:52 San Francisco celebrates 4 years of the JFK Promenade serving as a car-free space 0:43 Pleasanton community gathers to remember family of 4 killed in crash 0:52 5 hurt in San Jose crash involving Santa Clara County Sheriff's Office car 3:10 The never-ending election?