The strong gale hit Funing County, Yancheng city, with a detected maximum speed of 110 km per hour, the county's meteorological observatory said.
A pedestrian was hit by a falling advertisement board and died in the hospital in Wuxi city.
In Funing, gale-triggered accidents left two dead and 22 others injured, a county publicity official told state-run Xinhua news agency.
The deceased included a tower crane operator who died after the crane collapsed. Rescue work is underway.
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