13 rivers in China's Haihe River Basin exceed warning levels

BEIJING, July 31 (Xinhua) -- The flood control in China's Haihe River Basin has entered a critical period as 13 rivers, including the mainstream and tributaries of the Yongding River, have exceeded warning levels by Monday.

Minister of Water Resources Li Guoying said it was necessary to monitor the real-time flood changes online to adjust flood prevention measures in time.