Muhammad Arif Saiyadi is among six suspects arrested over the fatal stabbing of 32-year-old Chia Hon Chung near a nightclub in Johor’s Southkey commercial district earlier this month. JOHOR BAHRU: A 25-year-old Singaporean man has been charged in a Johor court with the murder of another Singaporean in the Malaysian state.  Muhammad Arif Saiyadi, a store supervisor, is believed to be among six suspects including a woman, who were arrested over the alleged murder of Singaporean Chia Hon Chung, 32,