Both trolleys hit the barrier and bounced Toms New Arrivals backward; Ron's trunk fell off with a loud thump, Harry was knocked off his feet, and Hedwig's cage bounced onto the shiny floor, and she rolled away, shrieking indignantly; people all around them stared and a guard nearby yelled, “What in blazes d'you think you're doing?”
“Lost control of the trolley,” Harry gasped, clutching his ribs as he got up. Ron ran to pick up Hedwig, who was causing such a scene that there was a lot of muttering about cruelty to animals from the surrounding crowd.
“Why can't we get through?” Harry hissed to Ron.
Ron looked wildly around. A dozen curious people were still watching them.
“We're going to miss the train,” Ron whispered. “I don't understand why the gateway's sealed itself—”
Harry looked up at the giant clock with a sickening feeling in the pit of his stomach. Ten seconds… nine seconds…