Islamic extremism, Islamist extremism or radical Islam refers a set of extremist beliefs, behaviors and ideology within Islam. These terms remain contentious, encompassing a spectrum of definitions, ranging from academic interpretations to the notion that all ideologies other than Islam have failed and are inferior. Furthermore, these terms may extend to encompass other sects of Islam that do not share such extremist views.
2012 Sydney: Muslims protesting against the release of Innocence of Muslims
Osama bin Laden and Ayman al-Zawahiri of al-Qaeda have promoted the overthrow of secular governments.
Islamic terrorism refers to terrorist acts with religious motivations carried out by fundamentalist militant Islamists and Islamic extremists.
Osama Bin Laden, the founder of multinational terrorist group Al-Qaeda, in November 2001.
Beslan school victim photos
United Airlines Flight 175 explodes after being flown into the South Tower of the World Trade Center during the 11 September terrorist attacks.