A 50-acre brush fire, named the Grade Fire, started along the 101 Freeway near the Conejo Grade in the Camarillo area on July 4.According to the Ventura County Fire Department, 100 firefighters were working to contain the fire on Tuesday afternoon. Local news reported that at least one lane was closed on the freeway.Smoke from the fire could be seen along the Conejo Grade, as shown in this video. Credit: Twitter/eirebrie via Storyful