PRAYAGRAJ, July 10 -- A man was arrested for allegedly murdering a woman and discarding her body in the Yamuna, in Kaushambi's Mohammadpur Painsa area, police said. A search for the woman, Anita Nirmal, 35, was launched after the woman's estranged husband alleged that his wife had been kidnapped by one Bhup Singh of Lohitpar. Bhup Singh later confessed to murdering the woman by lacing her drinks with poison. According to superintendent of police, Rajesh Kumar Ramraj Nirmal of Khuja lodged an FIR in Mohammdpur Painsa police station alleging that Bhup Singh had kidnapped his wife. During the investigation, the police came to know that Anita had extramarital relations with the accused Bhup Singh. Even as police continued their investigation, they said the accused confessed that suspicion and Anita's growing demands drove him to eliminate her....