ZAMBOANGA CITY: Philippine police remain silent over reports that a Chinese woman and a Filipina resort worker kidnapped from a resort in Sabah, Malaysia are being held captive in the southern island of Sulu.

Malaysia has tagged an Abu Sayyaf group responsible for previous ransom kidnappings in Sabah as behind the ab–duction of Chinese holiday–maker Gao Huayun, 29, and Filipina Marcy Dayawan, 40, from Singamata Adventures and Reef Resort in the town of Semporna in Sabah on April 2.