As many as four Africans were beaten up in Greater Noida’s Pari Chowk area during a candlelight march for a 17-year-old boy who died on Saturday evening. According to police, the Class XII student had allegedly died of a drug overdose, following which his family accused their five Nigerian neighbours of murder and demanded their arrest. Police said around 7 pm, four Africans who were near Ansal Plaza in Pari Chowk area were attacked by residents while the windscreen of one of their cars was smashed.