Al-Qaeda has named Ayman al-Zawahiri as its new chief following the killing of long-time leader Osama bin Laden by US commandos in May 2 raid in Pakistan, the jihadists said in a statement Thursday. \"The general command of Al-Qaeda announces, after consultations, the appointment of Sheikh Ayman al-Zawahiri as head of the group,\" said the statement, issued in the name of the general command and posted on an Islamist website. Zawahiri has been Al-Qaeda\'s number two for years.