Racegoers speak to police at the sceneCredit:David Mirzoeff/PA He said that one of the horses slipped over as the carriage charged round a mini roundabout, knocking over one of its teammates and sending it sliding into a glass shop front.”The horse ended up going straight off the pavement and into the glass front of a big clothing shop,” he said.”At least one of the horses was jammed into the window.”Mr Copeland, 52, said the accident happened at around 6pm on Thursday evening as racegoers left at the end of the day.”I think the people in the carriage were in some sort of VIP section at the race course.” A policeman at the scene said he understood the incident involved four horses, while a taxi driver who saw it happen said one horse looked particularly injured.Taxi driver Mohamad Amjad said it appeared that the carriage was coming down the road and potentially was panicked by a horn blowing.He said it seemed to be the case that the front two horses “slid” into the shop front, adding that one horse appeared badly injured. “People put towels on to try to control the blood,” he said.Eyewitness Gary Copeland was driving behind the four-horse carriage when he saw the driver lose control and go careering down the road with guests dressed for the races clinging on.He said: “I was driving past the race course when the carriage was let out in front of me, I was right behind it and then another car slotted in between me and it.”The horses must have bolted and went off straight down the high street. The driver had clearly lost control.” A horse-drawn carriage has smashed into the window of a designer clothes shop in Ascot after the animals were spooked and bolted down the high street.One horse is understood to have been seriously injured in the collision after losing its balance as the carriage went straight over a mini roundabout near Royal Ascot, where Ladies’ Day had just finished.A section of the front window of Nataliya Couture on London Road was smashed after the incident on Thursday evening, which is said to have involved four horses.Shards of glass and manure remained on the pavement within a police tape outside the shop which was not opened when the crash happened.Blood also appeared to be visible on a section of the smashed front, while glass was lying around the mannequin displays and a shutter at the back of the space was buckled. Four horses were pulling a traditional coaching carriage when it slipped at a roundabout on Ascot High StreetCredit:SWNS.com There were white marks on the road and pavement going towards the section of the front that got smashed. It’s understood no people were hurt.The shop sells formal wear, including fascinators, like the style showcased by women on Ladies’ Day. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.