The stabbing is the second violent incident targeting Japanese school students in China in the span of three months. On June 24, a man attacked a Japanese school bus in the eastern city of Suzhou, Jiangsu Province, killing a Chinese bus attendant, who attempted to save the students, and injuring two others.

The Wednesday knife attack on a Japanese school boy in Shenzhen sent shockwaves through Japan's expat community in China.

The attack was the second in recent months near a Japanese education facility in China and comes as Tokyo has called on Beijing for help with security