The Transport Workers Union says that Deniz, a horse who dramatically collapsed and died in Central Park earlier this month, was killed by a toxic plant—and not animal abuse, as some charge. ( Photo: TWU ) Union Says Central Park Carriage Horse Died After Eating Toxic Plant A horse that dramatically collapsed and died in Central Park last week was poisoned by a flower planted in Central Park,... News 16 Jun 2026 | 07:58