A travel-trailer at a Pismo Beach trailer park was damaged in a fire early Tuesday morning. No one was inside the 40-foot fifth wheel when the blaze was reported at 2:19 a.m., according to Cal Fire. The trailer was in spot 119 at the Holiday RV Park at 100 South Dolliver Street. Firefighters controlled the blaze at 2:34 a.m. The fire caused approximately $50,000 in damage to the trailer, according to Cal Fire. Two nearby RVs were also damaged. No one was injured in the fire. The cause is still under investigation.