For the chronology of the official statements, please refer here.
The ministry urged the public to avoid travelling to the area unless necessary, the Focus Taiwan website reported.
Under the ministry's four-colour-coded travel advisory system, the "orange" alert is the second highest level.
The 57-year-old Hsu Li-min was shot dead Friday by gunmen while the whereabouts of 58-year-old Chang An-wei was still unclear after she was abducted. The motive for the shooting and abduction was unclear.
Officials of the Taipei Economic and Cultural Office in Malaysia arrived in Sabah Friday evening to help with the investigations.
Edited 1711/13 : It seems that the resort owner has more powers than the Security Forces. What Gives