The Toll Fire, a 41-acre wind-driven blaze in Napa County, was 50 percent contained as of Thursday, July 4, California firefighters said.Footage released by the Cal Fire Sonoma-Lake-Napa Unit from Tuesday, July 2, shows an aerial view of the ongoing blaze.Huge plumes of smoke are seen shrouding vegetation off the Old Lawley Toll Road near Calistoga, with fire fighting forces gathered nearby, and an aircraft circling above.Two firefighters were injured while battling the blaze, Cal Fire said. Credit: Cal Fire Sonoma-Lake-Napa Unit via Storyful