A dramatic and deeply concerning incident unfolded during the Grand National meeting at Aintree when Pylononthepressure sustained a serious injury at one of the course’s most notorious obstacles—Fence 15, widely known as “The Chair.”

According to early reports, the horse became entangled in a heavy collision while attempting the formidable jump, an obstacle long regarded as one of the most technically demanding and unforgiving on the track. Witnesses described the moment as sudden and chaotic, with the impact immediately signaling that something had gone badly wrong.

Trackside veterinary teams responded without delay, stabilizing the horse before arranging urgent transport to a specialized equine medical facility. The swift intervention underscored the severity of the situation, as officials moved quickly to ensure Pylononthepressure received advanced care beyond what could be administered on-site.

Sources familiar with the case indicate that the horse has since undergone emergency evaluation, with veterinary surgeons now engaged in a critical procedure aimed at addressing the injury. While specific details of the damage have not been fully disclosed, it is understood to involve the hind leg—a type of injury that can prove career-ending, and in some cases, life-threatening.

The coming hours are expected to be decisive. Veterinary experts are reportedly working under intense pressure to stabilize the injury and determine whether recovery is possible. Outcomes in such cases remain highly uncertain, dependent on both the complexity of the fracture and the horse’s response to surgical intervention.

As updates remain limited, concern continues to mount among those following the event, with many awaiting confirmation on whether Pylononthepressure can overcome what is now being described as one of the most serious incidents of the meeting.