A Thane resident allegedly bit off a part of his friend's ear and even swallowed it after the two got into an argument at a party. The incident occurred in a posh housing society in the Patlipada area on Wednesday morning. The victim, Shravan Leekha (37), said that he and the accused, Vikas Menon (32), were partying with friends when the two got into an altercation. Menon suddenly became violent and bit off a part of his ear and swallowed it, alleged Leekha. Police have booked Menon for voluntarily causing grievous hurt.