Detectives have arrested a man in connection with the murder of Dilip Unadkat.
The 48-year-old, of Alexandra Court, Empire Way, Wembley, was discovered stabbed to death in his flat on November 27.
Police had received a phone call from a concerned family member who had not heard from him for some time.
Egyptian Ahmed Mahnoud El-Shubrawy, 26, was arrested yesterday evening in the Greenford area and is being held in a west London police station.
Police caught up with him after a series an appeal in the local press.