The attack on a mother and son triggered a plea from the embassy and follows a similar incident in the same city last year

Japan has called on the Chinese authorities to ensure the safety of its citizens after a mother and her child were attacked in the eastern city of Suzhou.

The incident took place at a subway station on Thursday and involved an attacker carrying what appeared to be a rock, the Japanese embassy said.

Japanese media reports said that the woman, who was with her son at the time of the attack, had been injured but her life was not thought to be in danger.

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