Problem with Google's Geocoding API

UPDATE: This seems to be working now
All my twitter mashups (iran tweets, iran protests, ford fiesta, latest twitter status, michael jackson tweets...) stopped working because of the following error with Google's Geocoding API:

Looks like the end tag </AdministrativeArea> is missing. Hoping they would fix this error soon.

XML Parsing Error: mismatched tag. Expected: </AdministrativeArea>
Location: http://maps.google.com/maps/geo?key=APIKEY&output=xml&q=plymouth,mi
Line Number 15, Column 5: </Placemark>