VIDEO - Portland Fire and Rescue crews responded to a two-alarm fire at a downtown food cart Wednesday afternoon. PF&R officials say the food cart pod where the fire is located is at Southwest 1st Avenue and Columbia. Multiple explosions were confirmed by fire investigators when they found several ruptured propane tanks in the burned debris. Firefighters were able to bring the fire under control in about 15 minutes. Officials say two food carts, Lai Thai and The Greek Gods Gyro, and 10 vehicles were heavily damaged in the fire. PF&R said several workers were treated for minor injuries on scene.