The death of a Central Park carriage horse that collapsed last week while on a ride with two passengers was caused by a foreign toxic plant, according to a necropsy publicized on Tuesday by the union representing carriage drivers.
The Transport Workers Union of America said the horse, Deniz, was giving a ride near East 90th Street in Manhattan on June 9 when it paused to eat a shrub along the curb.
A short time later, the 16-year-old horse collapsed and died, according to the necropsy performed by Cornell University’s College of Veterinary Medicine, the union said.
Two passengers were in the carriage when the incident happened, police said…