KARACHI: According to a bomb disposal squad investigation report on the attack on the Karachi Police Office (KPO), it is revelaed that each of the six to 10 terrorists who attacked the building had about 8 kg Pakistani explosives in their suicide vests. Immediately after the incident on Friday night, the bomb disposal team prepared a detailed report behind the happenings at the crime scene. According to the report, the assailants were wearing explosive vests, one of which was detonated by the bomber and two of which were defused by the team, reports Samaa TV. It added that 7 to 8 kgs of explosives had been used in each suicide vest, following the intensity of blast recorded after one of the bombers detonated his jacket on the fourth floor.The explosion harmed the building's structure and broke the windows of surrounding structures. The report said that the police officials recovered a white vehicle from the scene and seized ammunition hidden inside it. Yet, there is no record of the car being taken by either a person or a terrorist group. Two terrorists have been identified as Kifayatullah, who was from Lucky Marwat, and Zalnur, who was from North Waziristan. On Friday, militants stormed the Karachi Police Office (KPO) while brandishing automatic guns and grenades and wearing suicide vests. After the attack at dusk, a three-hour-long gun war broke out as security personnel searched the building floor by floor for the attackers. After murdering the three militants, the forces retook the building, a government spokeswoman claimed, the report read. The Tehreek-e-Taliban Pakistan (TTP) claimed responsibility for the attack, which occurred only a few weeks after a bombing in Peshawar that left over 100 people dead, mostly police officers. Officials said late on Friday that security would be stepped up in Islamabad. The tightly guarded KPO is located behind the Saddar police station on Sharea Faisal. The compound is home to dozens of administrative and residential buildings and also hundreds of officers and their families. On Friday, the attack started between 7 and 7.30 p.m. According to reports, the terrorists used a silver car to get to the Saddar Police Lines behind the KPO. Under cover of indiscriminate fire, the attackers made their way inside a neighbourhood mosque close to the KPO first. Later, officials said that a sweeper had died as a result of terrorists there firing. The terrorists then arrived at KPO's premises and went inside. More than 20 hand grenades, according to the police, were allegedly used in the assault. Police, Rangers, the Special Security Unit, officials from various agencies, and trained commandos all arrived at the scene as soon as the situation was reported. According to the Express Tribune, Sharea Faisal was restricted to traffic and had its electricity shut off. On the fourth level of the building, a terrorist who was wearing a suicide vest detonated himself during the initial operation. The police and Rangers commandos then began searching the building's top floors. During that moment, loud explosions and a lot of shooting were coming from the property. The terrorists eventually made it to the building's roof, where they barricaded themselves until the Rangers and police commandos killed them after a bloody struggle, as per reports. Irfan Baloch, the deputy inspector general of police for Karachi South, reported that up to 30 officers were present during the incident. He stated that in addition to gramme, dates, water bottles, and other goods, the terrorists also carried Kalashnikovs and hand grenades. Pakistani Taliban attacks Karachi Police Chief, 5 Terrorists Killed