New Delhi, Nov 19 : A Nigerian national has been arrested in Delhi for duping a woman working in Gurgaon of Rs.6.5 lakh, police said Thursday. Leonard Amaechi alias Jackson was arrested from south Delhi's Safdarjung Enclave Tuesday evening following a complaint by the woman from Manipur. She had befriended him through internet chatting. 'Leonard Amaechi alias Jackson was arrested for allegedly...