July 29, 2008 -- Heidi White-Carty has withdrawn Northern Spy from the U.S. Olympic Team in Eventing for veterinary reasons. Following the selection procedures, the U.S. Equestrian Federation named replacement horse-and-rider combination Karen O'Connor and Mandiba to the U.S. Olympic Team in Eventing.
This will be O'Connor's fourth Olympic Games. Read her head groom, Max Corcoran's, EquiSearch.com blog from Hong Kong.
Alternate Bonnie Mosser has also withdrawn and will return to the U.S. with Merloch, who sustained a minor injury.