Kingsport police investigating 'suspicious device/substance' on Cooper Street

Update: The Kingsport Police Department (KPD) said in an update Wednesday night that it was still investigating a suspicious "device/substance" on Cooper Street. After some residents were evacuated, the police department asked for the public's patience. "Situations involving suspicious devices/substances are complex and take time," the police department said. "As of this update, we do [...]