Flames from the Mosquito Fire are moving closer to the community of Foresthill in Placer County after a flare-up in activity. Video from LiveCopter 3 shows heavy smoke near Foresthill High School. Multiple vehicles and structures by the school were also engulfed. The Fire Integrated Real-Time Intelligence System, or FIRIS, said this flare-up has burned at least 300 acres as of 3:38 p.m. Subscribe to KCRA on YouTube now for more: http://bit.ly/1kjRAAn Get more Sacramento news: http://www.kcra.com Like us: http://facebook.com/KCRA3 Follow us: http://twitter.com/kcranews Instagram: https://www.instagram.com/kcranews/