In response, Beijing has mobilized its full flood control mechanism. Several northern districts, including Yanqing, Huairou, and Miyun, have declared top-level emergencies, and non-essential work in high-risk zones has been suspended, according to Xinhua News Agency.

Beijing issued its highest alert for rainstorms on Monday, days after deadly deluges swept parts of the Chinese capital and triggered a rare apology from under-prepared officials.

Days of torrential rain have killed at least 30 people in the northern outskirts of Beijing, state media reported Tuesday, as China grapples with yet another deadly rainy season marked by extreme downpours,