KANPUR, June 13 -- A 22-year-old man allegedly strangled his 19-year-old recently married sister on Friday and dumped her body into a field after she allegedly refused to end her relationship with another man in Fatehpur district's Haswa town in Uttar Pradesh, police said on Saturday.

The accused Sandeep Yadav walked into Haswa police outpost on Saturday morning and confessed to killing his sister Ranju Yadav as she did not agree to end her affair with a local identified as Afsar even after her marriage to Ajay Yadav aka Pintu of Sonhai Badnapur village on May 1 this year.

Police said Sandeep revealed that his sister had left home to be with Afsar even before her marriage. After the marriage, during a customary visit back to her parents...