By JONATHAN ROSE FOR MAILONLINE Reported by: Daily Mail   Ou Yang Li-hsing, 57, was the deputy head of the military-owned NCSIST Authorities said the hotel room showed no sign of any ‘intrusion’, CNA said His family said he had a history of heart disease and had a cardiac stent  Ou Yang was reportedly on a business trip to … Continue reading Top Taiwan defence research expert, 57, who was in charge of missile production is found dead in his hotel room ‘of a heart attack’ amid fresh tensions with China