Classmates of female victim in Sengkang double death say mental struggles may have followed mother’s death

Friends and former classmates of Xu Na, the 47-year-old NUS graduate and Cambridge PhD student found dead with her father in a Sengkang flat, are mourning her loss and reflecting on the mental health struggles she may have faced in her final years.

They described her as quiet, bright, and driven — someone who once topped her classes and chased excellence across continents — but who appeared to have retreated into isolation after her mother’s death.

From top student to sudden silence

Speaking to Shin Min Daily News, Mr Mok (surname transliterated from Chinese), who studied computer scienc...