Appeals for clemency rejected, with hanging of former accountant making him the only person to be put death out of 11 who were convicted India has executed Yakub Memon, who was convicted of involvement in a series of co-ordinated attacks that killed hundreds of people in Mumbai in 1993.Memon was hanged at Nagpur jail in the western state of Maharashtra in the early hours of Thursday morning, according to the NDTV and CNN-IBN news channels, after last-ditch pleas for clemency were rejected.