Another horse has died after racing at Belmont Park, the second fatality in 24 hours after the Belmont Stakes. Mashnee Girl fell near the quarter pole and sustained a catastrophic injury to her left front leg, according to New York Racing Association spokesman Pat McKenna. McKenna said in a statement that a necropsy will be performed at Cornell University, with the results to be analyzed by Horseracing Integrity and Safety Authority (HISA) officials, as well as the New York State equine medical