Top al-Qaeda militant and a key planner behind the Mumbai terror attack Ilyas Kashmiri, has been killed in a targeted US drone strike in Pakistan's restive northwest. His death was confirmed by his outfit Harkat-ul-Jihad-al-Islami in faxed messages to TV channels. Spokesperson of the outfit Abu Hanzala said in a statement that Ilyas Kashmiri was killed in a US drone attack. He said the outfit will take revenge on the US for this.47-year-old Ilyas Kashmiri was killed when a predator drone fired four missiles late last night at a compound in Ghwakhwa area of South Waziristan. Pakistani officials said that the attack targeted Ilayas Kashmiri.Ilayas Kasmiri was widely speculated to take over as al-Qaeda chief after the killing of bin Laden a month ago. His killing comes just days after US Secretary of State Hillary Clinton handed over a list of five most wanted al-Qaeda and Taliban leaders, including Kashmiri to Pakistan.US had earlier put a price of five million dollars on his head and he was one of the five top terrorists for whom intelligence was sought by Washinton from Pakistan.The others in the US hit list inlcude al-Qaeda No 2 Ayman Al-Zawahri, al-Qaeda operations chief Atiya Abdel Rahman, and Taliban leader Mullah Omar. US intelligence officials believe that they are hiding in Pakistan.