As many as 4 more persons were gunned down in Karachi in a fresh wave of violence amid Federal Interior Minister Rehman Malik has announced to impose a partial curfew over some areas of Karachi, Dunya News reported Sunday. As per the details, unidentified armed persons killed two persons in the limits of Risals police station, latter identified as Kashif and Jafir. After the incidents traders closed down their business. While a dead body was also recovered from Maleer Maimen. On the other hand, a person who got injured in Khokhara Par died of wounds.