A 30-year-old woman from Palo Alto was arrested Thursday on suspicion of starting a fast-growing wildfire in Shasta County, authorities said. Late Wednesday afternoon, Cal Fire and other crews were dispatched to a new wildfire in a deep, hard-to-reach canyon near Lake Shasta, at Fawndale Road north of Mountain Gate, the agency said. The blaze was later dubbed the Fawn Fire. Earlier that day, employees had reported seeing a woman trespassing in the area and acting strangely. A few hours later at around 8 p.m., a woman — later identified as Palo Alto resident Alexandra Souverneva — emerged out of...