The 17-year-old victim was taken to hospital with life-threatening injuries, police say.
All the details from the final day of the 2018 meeting where Ryan Moore finished top jockey.
Alok Sharma said Berkshire residents have suffered an "intolerable imposition" lately.
Patrols have been operating at railway stations in the Thames Valley for the past three years.
The medieval abbey was closed 10 years ago when large stones began to fall from the walls.
Jockey Ryan Moore seals a big-race double at Royal Ascot with Merchant Navy while favourite Harry Angel is injured at the start of the Diamond Jubilee Stakes.
Alpha Centauri breaks the track record in the Coronation Stakes to give trainer Jessica Harrington a first Royal Ascot success.
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