KARACHI A fire broke out, on the fifteenth and sixteenth floor of Saima Trade Tower on I.I. Chundrigar road in Karachi. The blaze erupted between early in the morning according to rescue sources. Fire trucks without delay reached the site within ten minutes after the fire brigade department was informed. Five fire trucks occupied themselves in putting out the fire for three hours, following which it was under control. No casualties were reported, however, two guards who were trapped on the affected floors were safely evacuated from the building two hours after rescue teams reached the site.