Extremely heavy rainfall hit Henan on Tuesday, with precipitation in Zhengzhou, the provincial capital, exceeding the highest level on local weather records, according to the Ministry of Emergency Management.

What we know so far: 

Zhengzhou municipal observatories renewed the orange alert for heavy rain at 9:19 a.m. on Wednesday. The authorities forecast that the rainfall in the downtown area of Zhengzhou will continue in the following hours, with accumulated rainfall exceeding 50 millimeters. 

Power service for the intensive care unit at the First Affiliated Hospital of Zhengzhou University was restored on Wednesday morning after a power outage at the hospital on Tuesday night. Over 600 patients in serious condition were evacuated.