MyFox Philadelphia http://www.myfoxphilly.com MyFox Philadelphia RSS Feed; Site: MyFox Philadelphia; Category: News Tips News Tips 600 2131806 Carbon Monoxide Kills Elderly Sisters http://www.myfoxphilly.com/dpp/news/CODeaths020209 Tue, 03 Feb 2009 03:24:55 GMT <p>Authorities in suburban Philadelphia say carbon monoxide fumes from a car apparently left running accidentally in a garage killed two elderly sisters.</p>