Some Japanese companies in China have offered to send their staff and their families back home after a 10-year-old Japanese boy was fatally stabbed in the Chinese city of Shenzhen, a Japanese executive and employees of Japanese firms in Beijing said on Friday.

Japan’s prime minister has demanded an explanation from Beijing over the fatal stabbing of a schoolboy in the second knife attack on Japanese children in China in months.

A recent attack on a 10-year-old Japanese boy in Shenzhen has led Japan's Prime Minister Fumio Kishida to demand an explanation from China. He urged Beijing to ensure the safety of Japanese nationals,