With a freezing cold evening of below 10°C in Hong Kong, an elderly 80 year old man fell unconscious after suffering from a sudden cardiac arrest at home in Ngau Chi Wan last night. His friend had called him several times but no with reply. His friend visited his home in the morning around 10am and found him passed out at home. He called for emergency service immediately. Patient was certified dead at the scene by paramedic. Police found no suspicious circumstances related to the incident and the cause of death is yet to be determined. The elderly was believed to have a medical record.