KARACHI: In a search operation at Defence area of the metropolis, the police arrested a target killer of eight on Tuesday who is said to be a member of Muttahida Qoumi Movement London (MQM-L) chapter. Ishrat Ullah, the culprit, was arrested today and weapons, including a Kalashnikov gun, were also recovered from him. According to the police, Ishrat Ullah is a killer of eight and is related to MQM-L. Further investigations of the case are underway.