Even though the Hogwarts train was heavily guraded some parents decide to to keep there children at home. Which was a smart move on their part. Because what was to come going to scare many in the wizarding community
The train had not had a chance to move yet when a bright flash of green light had immersed the train. There where screams through out the train and then it dissaperared as soon as it had shown. Within that flash was Beltrix and she had kidnapped select children from the train. Harry Potter was now on the train approaching some students trying to peice together what in the hell had happened.
(OCC: So those of you who have not been here are kidnapped by Beltrix. If you want to come back just let me know and I will help you to find a way out. Everyone who is posting will have seen someone dissaperared. At some point write in if you would like an interaction with Harry Potter. I will post after you guys :) )