Obama lays out strategy to "ultimately destroy ISIL"
In a campaign against the Islamic State militant group, the US President Obama told Americans he had authorised US airstrikes for the first time in Syria and more attacks in Iraq.
U.S. President Barack Obama delivers a prime time address from the Cross Hall of the White House on September 10, 2014 in Washington, DC. Vowing to target the Islamic State with air strikes 'wherever they exist', Obama pledged to lead a broad coalition to fight IS and work with 'partner forces' on the ground in Syria and Iraq. (Getty Images)
(Reuters YouTube channel)