Beginning of the day: South Yorkshire Police asked both clubs to ensure their fans arrived between 10.30am and 2pm for the game.
2pm: The Leppings Lane turnstiles began operating smoothly, but after 2.15pm the volume of fans increased.
2.30pm: The road was closed. Fans were asked over the PA system to move forward and spread out in the space. Officers considered delayed the kick-off but did not.
2.40pm: Large crowds had built up outside the turnstiles.
2.44pm: Fans were asked to stop…