He started to walk toward it. People jostled him on their way to platforms nine and ten.
Harry walked more quickly. He was going to smash right into that barrier and then he'd be in trouble
leaning forward on his cart, he broke into a heavy run
the barrier was coming nearer and nearer
he wouldn't be able to stop
the cart was out of control
he was a foot away
  he closed his eyes ready for the crash

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