Shibuya was brimming with superheroes and otherworldly creatures on Saturday night as costumed revelers congregated in one of Tokyo's major entertainment districts on the weekend before Halloween.While the area around Shibuya's iconic scramble crossing continued to fill with many Halloween revelers -- with some in wacky costumes -- as the night went on, riot police were dispatched there to ensure public safety, especially after the overturning of a small truck led to the arrests of several men in their 20s last year.The police and special police officers dubbed "DJ police," who aim to marsh…READ FULL ARTICLE