 After the war , Labuan was one of several locations at which the Australian military conducted trials to prosecute suspected Japanese war criminals . A total of 16 trials were held on the island between 3 December 1945 and 31 January 1946 , during which 128 men were convicted and 17 acquitted . Labuan War Cemetery was also established as the burial place for all of the Commonwealth personnel killed on or near Borneo . It includes 3 @,@ 900 graves , most of which are for prisoners of war who died while being held by the Japanese . 
