Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window

Man had told his wife he would clean rack before she left home to buy groceries, source says.

Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window

Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window

Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window

Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window

Hong Kong man, 82, falls to death while cleaning air conditioner rack outside window