The incident took place this morning in Uttaranchal Colony when Prem Kumar, who had an affair with Sunita(33) for last two years, stabbed her to death and later committed suicide by stabbing himself, SHO, Loni, Brij Mohan Yadav said.
Kumar was depressed after Sunita, a mother of four, refused to continue the relationship under the pressure of her husband, he said.
Further probes into the case are on, he added.