WICHITA, Kan. (KSNW) - The City of Arkansas City reported a cybersecurity issue involving its water treatment plant early Sunday. The city manager says the water supply remains safe and not disrupted. "Out of caution, the Water Treatment Facility has switched to manual operations while the situation is being resolved. Residents can rest assured that their drinking water is safe, and the city is operating under full control during this period," City Manager Randy Frazer said in a news release. Textron Aviation workers go on strike Cybersecurity experts and government authorities are working to resolve the issue and return the facility to normal operations.