Professor killed his wife and daughter with yoga ball leaking carbon monoxide that was left in car boot in Hong Kong Posted by Netizen 24 Worldwide On 3:37 AM Professor killed his wife and daughter with yoga ball leaking carbon monoxide that was left in car boot in Hong KongProfessor killed his wife and daughter with yoga ball leaking carbon monoxide that was left in car boot in Hong Kong South China Morning PostFull coverageSource: Google News Hong Kong | Netizen 24 Hong Kong Related Posts: