Firefighters scrambled to battle back the fast-moving Plaskett Fire as it exploded to more than 8,200 acres early Saturday evening, threatening homes in scenic Big Sur. The blaze remained 0% contained after growing more 2,000 acres from the morning. Monterey County leaders are asking Gov. Gavin Newsom to declare an emergency and bring more resources to the firefight. “That would help us get more resources to this fire,” Monterey County Supervisor Kate Daniels told KSBW. “I think, in my opinion, it qualifies as an emergency. I think an emergency should be declared. Hotter, drier weather and afternoon winds fuled the…