ISLAMABAD , Pakistan ( CNN ) -- Eight cadets and staff members were killed in Pakistan during an an eight-hour standoff Monday with gunmen who stormed a police training center in Lahore , said Gen. Athar Abbas , a military spokesman . Police fire into the air after retaking the police training center in Lahore attacked by militants . The militants had been holed up on the top floor of a three-story building , said Rehman Malik , the head of the country 's Interior Ministry . Security forces gained control of the first two floors and eventually made their way to the top , finally taking control of it and arresting the gunmen Monday afternoon . Television pictures showed security forces firing into the air from the roof of the building after the firefight . `` The operation is over . Four terrorists were killed and three arrested , '' Interior Ministry Secretary Kamal Shah told Reuters . Malik and Abbas confirmed the figures . Abbas added some of the dead militants blew themselves up . The gang of seven gunmen stormed the academy in the Manawan area of the eastern Pakistani city , said Malik . Abbas had previously said 30 people were killed . He cited the error on wrong information by his sources at the scene . Watch more about the attack » . At a news conference Monday night , Malik named the leader of the Pakistani Taliban , Baitullah Mehsud , and his followers as the prime suspect in organizing the attack . Mehsud is also accused of plotting the assassination of former PM Benazir Bhutto . At least 78 people were wounded in the attack , authorities said . Lahore is the same city where gunmen opened fire March 10 on a bus carrying members of the Sri Lankan national cricket team on their way to a stadium for a match . The well-coordinated attack wounded at least eight members of the team and killed a driver and six Pakistani police officers . In Monday 's incident , the attackers hurled grenades , then stormed the compound and opened fire while officers were taking part in their morning drill . About 800 officers train at the facility , but authorities could not say exactly how many were inside at the time . The attackers , some in police uniforms , took dozens of officers hostage , said Asim Rizwan , spokesman for governor of Punjab -- the province where Lahore is located . Paramilitary forces and the army descended on the scene . Every few minutes , the gunmen detonated explosives or fired on reporters and police personnel outside , sending them scurrying for cover . Angry onlookers pumped their fists in the air and cheered as police led away a suspect they had captured . He had on him a grenade and a knife , officials told CNN . CNN 's Reza Sayah contributed to this report .
Eight cadets are killed during clashes in Lahore , top military official says . Leader of Pakistan 's opposition named as prime suspect . Eight cadets dead , three captured , military said . Lahore was site of attack on Sri Lankan cricket team earlier in March .