The Brief The Transport Workers Union claims the horse involved in the fatal crash in Central Park may have been shocked by electricity when it suddenly bolted. The crash killed 18-year-old Romanch Mahajan, whose death led to renewed calls to outlaw horse carriage rides in the city. There are new questions and growing concerns following a deadly horse carriage crash in Central Park. The Transport Workers Union, which represents carriage horse drivers, now says the horse involved might have been shocked by electricity when it suddenly bolted, causing the crash that killed an 18-year-old tourist. The backstory:The crash in June killed 18-year-old Romanch Mahajan, whose death led to renewed calls to outlaw horse carriage rides in the city.