Pakistani security forces in an operation Thursday arrested wanted Taliban leader, said an intelligence source. The source revealed to KUNA that the arrested Taliban leader, being identified as Ahmed, is relative of Jalal-ud-Din Haqani, former military leader of the radical Islamic group and militia of Pashtun resistance to the Soviet-leaning communist government in late 1980s. Jalaluddin Haqqani and his guerrillas are believed to have taken shelter in the mountainous terrain of Paktia province bordering Pakistan. The source said that the operation is still underway, adding that at least nine troops and three civilians sustained injuries. Pick up the previous.