Ryder, the New York City carriage horse whose collapse in Midtown Manhattan in August was recorded in bystander video that went viral, has died at the farm where he had been retired after his accident.

The horse had been losing weight, and a veterinarian suspected lymphoma, according to a spokeswoman for the carriage industry. He collapsed on the farm in Wallkill, in upstate New York, on Monday. He then suffered a seizure, and his new owner made the decision to euthanize him, the spokeswoman, Christina Hansen, said.