Vehicles in a lot at Speed’s Towing in Northeast Portland caught fire Tuesday morning, fire officials said. Portland Fire and Rescue responded to the vehicle fire in the 14300 block of Northeast Whitaker Way at around 3:30 a.m. They said an employee called 911 and said there were two cars and a truck on fire and that the fire was spreading to other vehicles. When engines arrived, they found four vehicles on fire. The fire was not threatening any buildings. Crews extinguished the fire and are investigating the scene.