At least two terrorists were killed and three others injured on Friday morning in an attack on a convoy of foreign nationals in Pakistan's southern port city of Karachi, police told Xinhua.<br /><br />Senior Superintendent of Police in Karachi's Malir district Tariq Mastoi said that two terrorists attacked a convoy carrying five Japanese in the Mansehra Colony area in the Landhi Town region of Karachi but retaliatory firing from security guards foiled the attempt.<br /><br />According to the police, a terrorist took out a gun to attack the front vehicle but the police security guards in the following vehicle killed him in retaliatory firing.<br /><br />Following the firing, one of the terrorists exploded his explosives-laden jacket which damaged the foreigners' vehicle and a motorcycle injuring three people, including two guards, said police.<br /><br />Police added that all five foreigners, including four in the front vehicle and one in the following police vehicle, remained safe in the attack.<br /><br />Police, security forces and rescue teams rushed to the site and shifted the foreigners to a safe place.<br /><br />The bomb disposal squad had reached the site and found weapons and hand grenades in the possession of the terrorists.<br /><br />The bomb disposal squad told local media that there was less damage at the site because the explosive-laden jacket of the suicide bomber could not be detonated fully.<br /><br />The official said three terrorists came to attack but one of them managed to run away after police firing, adding that a search had been initiated in the area to arrest him.