Three people were killed and 15 others injured in a knife attack at a suburban supermarket in Shanghai on Monday on the eve of China's week-long National Day holiday, the latest in a series of stabbing incidents in major Chinese cities this year.

Three people were killed and 15 others injured in a knife attack at a supermarket in Shanghai on Monday, state-run Xinhua news agency reported, extending a series of stabbing incidents across China this year. The victims were immediately rushed to hospital for treatment, according to Xinhua on Tuesday, but three died.

Three people were killed and 15 wounded in a knife attack at a Shanghai supermarket on Monday evening, just as the country was gearing up for its National Day holiday week. All of the victims were rushed to hospital,