Just after 3:30 Tuesday morning, the Sacramento Fire Department responded to reports of a commercial vehicle fire in the 1000 block of Arden Way. A large column of dark black smoke could be seen from the El Camino Overcrossing. When crews arrived on scene, they reported having a fully involved RV fire and two cars on fire. According to bystanders, the owner of the RV stated she had a candle burning in the RV and fell asleep. Firefighters initiated fire attack on the RV and cars and quickly extinguished the blaze. One person was checked out on scene for unknown injuries.