Columbus firefighters and police quickly extinguished a mulch fire yesterday at the Chili’s restaurant on National Road. According to the fire department, the incident happened around 4:20 p.m. yesterday afternoon. Firefighters say that the fire was confined to a small area and did not threaten any damage to the building. Firefighters are cautioning that with brisk winds, mulch and ornamental grasses can dry out quickly. A carelessly discarded c…