Firefighters spent a couple of hours Thursday afternoon battling a large grass fire in an area north of Derby, and a house fire was also reported. The fire was reported shortly after 12:30 p.m. in an area near 55th Street South and Rock Road. More units were called to the scene when a house fire was reported. There have been no reports of injuries. Traffic was blocked on Rock Road between 47th and 55th Streets South. Southbound traffic was allowed through the area shortly after 2 p.m. and northbound traffic was opened later. A fire danger continues for south central Kansas because of dry, breezy conditions.