You were walking in the halls and hear something explode, you look to see what it is and you see Fred and George Weasley blowing up fireworks and then running away from Filch. They chuckle and laugh while they run away

You see Filch then looking angry at YOU! "What..?" You exclaim. Before Filch had time to gra you, Fred grabs you and throws you over his shoulder and continues to run, laughing with George