BEIJING  - A man stabbed 22 primary school students in a knife attack in China on Friday, officials said, the latest in a series of assaults. The attacker “has been detained”, said a spokesman for the Guangshan county government in the central province of Henan, where the stabbing happened. “Twenty-two elementary school students were stabbed, so was an adult villager” but none of the victims died, the official, who declined to give his name, told AFP. The state-run China News Service said a man attacked the students with a knife outside an elementary school, resulting in injuries which were “not life threatening”. It did not give the children’s exact ages.