IT started as one man's horror. But is now being seen as a medieval pogrom against an entire community. The dreaded knock on Basiruddin's door came at about 3 am on July 13. The shack in Bangalipura, a northeast Mumbai suburb, which the 22-year-old zari worker was sharing with four others, had armed policemen as visitors. The inhabitants were manhandled and bundled into a van even as the cops badmouthed Bangladeshis.