A powerful typhoon sweeping across Asia has killed at least 33 people.

Typhoon Usagi, which was the season's strongest storm at its peak, forced hundreds of flight cancellations and shut down shipping and train lines before weakening to a tropical depression over the southern Chinese province of Guangdong on Monday.

China said 25 deaths occurred in Guangdong, where the typhoon made landfall late Sunday night near Shanwei with record sustained winds for the city of 109mph.

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