Police are investigating a suspected murder-suicide involving a 52-year-old man and a woman in her 30s in Pat Heung.

The man was found collapsed inside a car on Shui Tau Road at 8.20am today and was certified dead at the scene.

Police later found the woman dead inside the man's Fan Kam Road home with head wounds.

A post-mortem examination will be conducted to ascertain the causes of death.