MEERUT, Aug. 21 -- A man killed the four-year-old son of the woman with whom he had illicit relations and hanged his body from a tree near Maukhera village under Kotwali area of Bulandshahr district on Friday, police said. Swinging into action, the police arrested the accused Arun Kumar, 30, a security guard, and woman Reena, 27, on Friday night itself and sent them to jail....