https://turkey-2011.googlepersonfinder.appspot.com/feeds/person?key=xxx
What you get is an HTML file, not an Atom feed or XML file. This
problem appears to have begun last night around 11:30 PM Eastern.
In collaboration with our local team we deactivated the Turkey
personfinder instance as traffic, use and utility are now all very
low. Sorry to have not given the heads-up. I've made a separate post
announcing this.
Nigel Snoad
-- Google Crisis Response Team