A man suspected of killing three female students at a vocational school in Zhengzhou has been caught by police traveling on a long distance bus, the Henan-based Dahe Daily reported on its micro blog Tuesday.

The man in his 20s attacked the women with a knife in their dorm at around 5am on Tuesday, killing three and seriously wounding a fourth, the newspaper reported an Internet user as posting online at 8:55am the same day.

The attacker was not a student at the school, but was a cyber-friend of one of the victims, according to the school.