New Delhi, June 30 -- A 35-year-old man stabbed his wife to death at a relative's place in east Delhi's Karkardooma on Sunday morning, police said, adding that he has been arrested. According to police, the accused is from Lucknow and he travelled to Delhi on Saturday to kill his 30-year-old wife over suspicion of infidelity. The accused is an ice-cream vendor in Lucknow. While his wife is also from Lucknow, she had been living separately, in Noida for the past few months, police said. "The husband's interrogation revealed that he killed his wife because he suspected her of having an affair with another person," said deputy commissioner of police (Shahdara) RP Meena. DCP Meena said that on Sunday morning, the Anand Vihar police station rece...