ISLAMABAD, Pakistan (CNN) -- Pakistani security forces on Monday shot and wounded a well-known Taliban operative in southwestern Pakistan near the Afghan border, the military said. Mansoor Dadullah is the brother of slain Taliban leader Mullah Dadullah, killed last May in a military operation in southern Afghanistan. Dadullah and five others were seized near the Gaddal post in Qila Saifullah, a town in Baluchistan province in Pakistan on the border with Afghanistan, according to Lt. Col. Baseer Haider Malik.