In a shocking case of honour killing, a man's throat was slit last night in west Delhi's Khayala area. The deceased's woman companion has alleged that her parents are behind the attack as she was planning to get married to Ankit. 4 people had attacked the boy at 8 pm yesterday when he was travelling on his scooty. The girl has alleged that her 2 relatives are behind the murder as they had objected to their relationship.