• A small fire broke out at Spark Social this afternoon, the food truck park in Mission Bay. The fire apparently started in a shed and spread to some Astroturf, and it was contained by 4:15 p.m. [SF Weekly / CBS SF]
• Just as SF-based Juul doubles down on its investment in staying in San Francisco with a new office tower, the city is moving to ban all e-cigarette sales here. The Board of Supervisors voted unanimously Tuesday to approve the first-of-its-kind legislation. [Chronicle]
• Under cross-examination Tuesday, Ghost Ship "creative director" Max Harris reluctantly admitted to lying to a police officer about whether anyone lived in the warehouse. When asked if it was because he knew it was illegal, he said it was because it was an "alternative living situation" and he feared they would be evicted. [NBC Bay Area]
• The non-profit Mission Economic Development Agency is under contract to purchase a building at 16th and Capp for developing affordable housing. [Examiner]
• Get set for another sunny and mild day on Wednesday! [ABC 7]
• Slack has its IPO on Thursday, and secondary markets suggest its initial share price will be over $30. [SF Business Times]
• Google says it is investing $1 billion in the development of affordable housing around the Bay Area on Google-owned land. [Examiner]
• An Emeryville development that was hit twice with arson, mid-construction, in 2016 and 2017, is breaking ground for the third time. [SF Business Times]

Photo: Jim Tang