Chinese city raises COVID-19 alert level in 4 neighborhoods (6)

Aerial photo taken on May 17, 2021 shows a quarantined residential community in Yu'an District of Lu'an City, east China's Anhui Province. The city of Lu'an in east China's Anhui Province has raised the COVID-19 alert levels from low-risk to medium-risk in four residential communities, the city's health commission said on Monday. The city currently has six areas classified as medium-risk. (Xinhua/Zhou Mu)