ZHENGZHOU - A violent domestic dispute motivated a man to allegedly kill three people and injure another 12 on a bus in Central China's Henan province, according to local police on Tuesday.

A knife-wielding man, identified as Zhou Jiangbo, stabbed three people at home in the city of Anyang on Sunday, injuring them.

He then boarded a bus and attacked passengers on Monday killing three and injuring 12, according to city police.

The police said Zhou has confessed to his crimes.

Zhou fled after the attack and was later caught by police.