New questions emerge over what may have led to Central Park deadly horse carriage accidentNew questions have emerged about whether stray voltage may have contributed to a carriage horse accident in Central Park that killed a teenager. New questions have emerged about whether stray voltage may have contributed to a carriage horse accident in Central Park that killed a teenager. New questions have emerged about whether stray voltage may have contributed to a carriage horse accident in Central Park that killed a teenager. New questions have emerged about whether stray voltage may have contributed to a carriage horse accident in Central Park that killed a teenager. "We maintain our call for a ban oncarriages to protect public safety in Central Park," the Central Park Conservancy said in a statement.