On August 31, in Holand Amsterdam, the alert inside constabulary centrally railway station. A man was on August 31 in the center of Holand Amsterdam the railway station holds a knife to prick a person to send 2 people to get hurt, holand police is investigating this one incident whether experience fears. Xinhua News Agency is sent (ferry adds Aifute Aier photograph)On August 31, in Holand Amsterdam, all round constabulary centrally railway station cautionary.