PakistanMilitants use buses to smuggle explosives in KarachiTNT DeskApril 22, 2013April 28, 2013 by TNT DeskApril 22, 2013April 28, 2013 Karachi: Buses are used in smuggling explosives material from Quetta to Karachi by the terror outfit element, a terrorist revealed during police interrogation on Monday....