Apparently not.........according to GTR the trains weren't used because the police closed the station (and they don't put all the extra ones on the timetable).....wonder if it actually was, at least in part, down to inadequate marshalling of the crowds around the station.Can see days of...
GTR blaming the police................seems the additional trains weren't even used due to the station being locked up
https://www.bbc.co.uk/news/uk-england-sussex-45083414
Not surprised - the entry/exit is way too narrow to cope with large crowds, let alone the platforms. It's closed on Brighton marathon day now too (much lower numbers than Pride I'd guess) - it used to be open in the early years, but after getting off there it would take and age to get out of the...