One horse carriage pulled up to the 7th Avenue line when the horse became startled and collided with another horse carriage, causing it to overturn.
The driver of the overturned carriage was briefly trapped and then taken to a hospital by ambulance.
According to a member of the Transportation Workers Union (TWU), which represents carriage drivers, a horse hitched to one carriage became startled and collided with another horse carriage, causing that rig to overturn.
The horse was released from the overturned carriage but was never loose or ran away. No other injuries were reported.