A city in northern China on Sunday sounded an alert after a suspected case of bubonic plague was reported, according to official media here. Bayannur, Inner Mongolia Autonomous Region, announced a level III warning of plague prevention and control, state-run People's Daily Online reported. The suspected bubonic plague case was reported on Saturday by a hospital in Bayannur. The local health authority announced that the warning period will continue until the end of 2020.

"At present, there is a risk of a human plague epidemic spreading in this city. The public should improve its self-protection awareness and ability, and report abnormal health conditions promptly," the local health authority said.