The explosion took place in the West Lake District in Hangzhou at around 8.40 AM. Billowing flames and strong heat shattered the glass of passing vehicles, including a bus, causing most of the injuries, state-run Xinhua news agency reported.
Among the injured, 12 people sustained severe injuries. The fire has been put out and all the injured have been sent to hospitals, according to the city's fire department.
The cause of the explosion is still under investigation.
The shop is located in the West Lake District, a well- known scenic area. The lake was used as the backdrop of a performance directed by Zhang Yimou as part of the G20 summit last year.
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