Zawahiri Named al Qaeda Leader
So reports the BBC: Ayman al-Zawahiri appointed as al-Qaeda leader
The statement announcing his appointment was posted on a militant website and attributed to al-Qaeda’s General Command.
"Sheikh Dr Ayman al-Zawahiri, may God guide him, assumed responsibility as the group’s amir [leader]", it said.
It vowed that under Zawahiri, it would pursue jihad or holy war against the US and Israel "until all invading armies leave the land of Islam".