Updated at 7.38pm: A number of heavily armed police, wearing bullet proof vests, on Friday afternoon were searching Yuen Long for additional suspects after arresting three men related to a kidnapping. Police said around 7am on Wednesday night a mainland businessman, in his thirties, was abducted in Tsim Sha Tsui East. ''The man was safely released late Thursday night without sustaining injury,'' said a police spokesman. He added: ''Three suspects, aged between 25 and 29, have been arrested.'' Police - who believe that more people may have been involved - are currently still searching Pak Sha Tsuen. The suspects are being detained for inquiries.