 KCBS' Matt Bigler says health officials in and around San Francisco are urging caution. At least 14 people may have died from heat stroke in the Bay Area. Three of them were unhoused. Homeless advocate Shawn Cartwright is not surprised. Your body is not made to basically be left out in the heat with no food, no water. She's passing out water at encampments as temperatures once again climb into the triple digits.