The union representing carriage drivers temporarily stopped the controversial rides after the horrific accident near Tavern on the Green.
The victim was thrown from the carriage when the horse suddenly ran off.
The driver was taking a picture of the victim and his relatives when the animal was spooked.
Before the rides resume, drivers will undergo additional training to try and prevent another disaster.
The accident happened just a week after another horse ate a poisonous plant and died in the park.
The City Council is expected to hold a hearing soon on whether carriage rides should be permanently banned.
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