Yemeni al-Qaeda operative Makki arrested in Pak: military

"According to preliminary investigations, Al Makki is a Yemeni national and has been working directly under Al-Qaeda leaders along Pak-Afghan borders," the Pakistani military's media wing said.

"The arrest (in Karachi) of Al Makki is a major development in unravelling the Al-Qaeda network operating in the region," it said.After the killing of Osama bin Laden in Abbottabad, Makki is the top leader to have fallen in the net.