Firefighters from Consolidated Fire District No. 2 and the Overland Park Fire Department were called in to assist Johnson County Wastewater after chemicals were accidentally mixed inside a wastewater treatment substation.

Johnson County Wastewater called for the fire department to respond to the substation, located at 5395 MartwayStreet in Mission, about 10:30 Monday morning and were on scene until about 4 p.m. The facility is directly behind the fire-damaged Mission Bowl building.

(Read more: Prairie Village Post – Neighborhood news and events for Prairie Village, Fairway, Mission Hills)