Statement provides few details , is signed by al Qaeda leader in Afghanistan . Statement : " We are the Islamic State of Iraq and Syria (ISIS) and we announce that our fighters have established a caliphate on all lands under Sharia law throughout the world including your own country. ` Although Abu Khabab is gone , he left behind him a generation who will seek revenge and punishment with God 's help , '' the al Qaeda statement said . ` left behind him a generation who will seek revenge '' Pakistani PM said if U.S. conducted airstrike , it violated Pakistani sovereignty . Reports that al Qaeda weapons expert was killed in 2006 proved erroneous .
Statement provides few details , is signed by al Qaeda leader in Afghanistan . Statement : " We are the Islamic State of Iraq and Syria (ISIS) and we announce that our fighters have established a caliphate on all lands under Sharia law throughout the world including your own country. ` left behind him a generation who will seek revenge '' Pakistani PM said if U.S. conducted airstrike , it violated Pakistani sovereignty . Reports that al Qaeda weapons expert was killed in 2006 proved erroneous .