KICU Bay Area News At 7 June 21, 2012
collapsed, so firefighters pulled back. >> pretty spectacular, the flames going through the roof. you can also see the facade has given way. the incident commander, he did a very good job of assessing the vulnerability of the structure and established what we call a collapse zone to make sure there was no one in front of the building. >> reporter: no one was hurt. one fire official confirmed there were welders inside the building, but it's not clear yet what started the fire. pier 29 has been undergoing renovation for the america's cup competition. >> it is now empty, and intend -- t...