US President Barack Obama speaks about the killing of American journalist James Foley.
Washington, United States:
US President Barack Obama demanded Wednesday the world take action against the "cancer" of jihadist extremism in Iraq, as Washington revealed it had failed in an operation to free US hostages in neighboring Syria.
It came a day after the so-called "Islamic State," which has seized much of eastern Syria and northern Iraq, released a video showing a masked militant beheading US reporter James Foley, provoking worldwide revulsion and condemnation.
As US jets continued to strike IS targets in Iraq, despite a threat to kill a second American reporter, Obama said: "When people harm Americans anywhere, we do what's necessary to see that justice is done."
Shortly after he spoke, the State Department asked for 300 more US troops to be sent to Iraq to protect US facilities.
In the video, a black-clad man said that Foley, a 40-year-old freelance journalist kidnapped in northern Syria in November 2012, had been killed to avenge US air strikes against his movement.
The man then paraded a second US reporter, Steven Sotloff, before the camera and said he too would die unless Obama changes course.
In a day of fast-moving developments, the White House and the Pentagon said US military forces had "recently" tried to rescue "a number" of American hostages held in Syria by IS, but had failed.
"This operation involved air and ground components and was focused on a particular captor network within ISIL (IS)," Pentagon spokesman Rear Admiral John Kirby said in a statement.
"Unfortunately, the mission was not successful because the hostages were not present at the targeted location."
It was not immediately clear if either reporter was the target of the rescue mission.
Obama "authorized action at this time because it was the national security team's assessment that these hostages were in danger with each passing day in ISIL (IS) custody," a White House statement added.
TRIBUTES TO REPORTER
Earlier, Obama paid tribute to Foley and said the Islamic State must be defeated.
"Jim Foley's life stands in stark contrast to his killers," he said, branding the militants genocidal murderers who target civilians and subject women and children to "torture and rape and slavery."
"Their victims are overwhelmingly Muslim and no faith teaches people to massacre innocents," he said, dismissing the IS claim to represent the aspirations of a global Muslim caliphate.
"No just God would stand for what they did yesterday and what they do every single day," he declared.
"We will be vigilant and we will be relentless... From governments and peoples across the Middle East, there has to be a common effort to extract this cancer so it does not spread."
US intelligence believes the video is genuine, and the British government held a crisis meeting to launch an investigation because Foley's executioner spoke English with a London accent.
"We have not identified the individual responsible, but from what we have seen, it looks increasingly likely that it is a British citizen," Prime Minister David Cameron told reporters. "This is deeply shocking."
Foley's parents, John and Diane, appeared on the lawn of their home in New Hampshire to pay tribute to their son -- the oldest of five adult children -- and call for other hostages to be released.
"Jim would never want us to hate or be bitter. We cannot do that and we are just so very proud of Jimmy and we are praying for the strength to love like he did," Diane said.
US Central Command said 14 air strikes had been carried out on IS targets in Iraq in the 24 hours since the video was released.
The United Nations and Europe's top powers condemned the killing, and France warned the world faces the "most serious international situation" since 2001, the year of the September 11 attacks.
In a significant shift from its usual policy, Germany said it was ready to send weapons to support Iraqi Kurds against IS.
'MESSAGE TO AMERICA'
In the nearly five-minute video, Foley is seen kneeling on the ground, dressed in an orange outfit that resembles those worn by prisoners held at the US naval base at Guantanamo Bay.
"Any aggression toward the Islamic State is an aggression toward Muslims from all walks of life who have accepted the Islamic caliphate as their leadership," the masked militant declares.
In June, the group then known as the Islamic State in Iraq and the Levant declared the dawn of a Muslim caliphate and seized control of a swath of eastern Syria and northern Iraq.
This month, Obama reacted by ordering US warplanes to counter threats to US personnel in the Kurdish regional capital Arbil or to civilian refugees from Iraqi religious minority groups.
He has insisted the scope of the strikes would remain limited, but Iraqi officials and observers have argued only foreign intervention could turn the tide on jihadist expansion in Iraq.
Shiite militias, federal soldiers, Kurdish troops and Sunni Arab tribes have been battling IS for weeks in some areas but have been unable to clinch a decisive victory.
It came a day after the so-called "Islamic State," which has seized much of eastern Syria and northern Iraq, released a video showing a masked militant beheading US reporter James Foley, provoking worldwide revulsion and condemnation.
As US jets continued to strike IS targets in Iraq, despite a threat to kill a second American reporter, Obama said: "When people harm Americans anywhere, we do what's necessary to see that justice is done."
Shortly after he spoke, the State Department asked for 300 more US troops to be sent to Iraq to protect US facilities.
In the video, a black-clad man said that Foley, a 40-year-old freelance journalist kidnapped in northern Syria in November 2012, had been killed to avenge US air strikes against his movement.
The man then paraded a second US reporter, Steven Sotloff, before the camera and said he too would die unless Obama changes course.
In a day of fast-moving developments, the White House and the Pentagon said US military forces had "recently" tried to rescue "a number" of American hostages held in Syria by IS, but had failed.
"This operation involved air and ground components and was focused on a particular captor network within ISIL (IS)," Pentagon spokesman Rear Admiral John Kirby said in a statement.
"Unfortunately, the mission was not successful because the hostages were not present at the targeted location."
It was not immediately clear if either reporter was the target of the rescue mission.
Obama "authorized action at this time because it was the national security team's assessment that these hostages were in danger with each passing day in ISIL (IS) custody," a White House statement added.
TRIBUTES TO REPORTER
Earlier, Obama paid tribute to Foley and said the Islamic State must be defeated.
"Jim Foley's life stands in stark contrast to his killers," he said, branding the militants genocidal murderers who target civilians and subject women and children to "torture and rape and slavery."
"Their victims are overwhelmingly Muslim and no faith teaches people to massacre innocents," he said, dismissing the IS claim to represent the aspirations of a global Muslim caliphate.
"No just God would stand for what they did yesterday and what they do every single day," he declared.
"We will be vigilant and we will be relentless... From governments and peoples across the Middle East, there has to be a common effort to extract this cancer so it does not spread."
US intelligence believes the video is genuine, and the British government held a crisis meeting to launch an investigation because Foley's executioner spoke English with a London accent.
"We have not identified the individual responsible, but from what we have seen, it looks increasingly likely that it is a British citizen," Prime Minister David Cameron told reporters. "This is deeply shocking."
Foley's parents, John and Diane, appeared on the lawn of their home in New Hampshire to pay tribute to their son -- the oldest of five adult children -- and call for other hostages to be released.
"Jim would never want us to hate or be bitter. We cannot do that and we are just so very proud of Jimmy and we are praying for the strength to love like he did," Diane said.
US Central Command said 14 air strikes had been carried out on IS targets in Iraq in the 24 hours since the video was released.
The United Nations and Europe's top powers condemned the killing, and France warned the world faces the "most serious international situation" since 2001, the year of the September 11 attacks.
In a significant shift from its usual policy, Germany said it was ready to send weapons to support Iraqi Kurds against IS.
'MESSAGE TO AMERICA'
In the nearly five-minute video, Foley is seen kneeling on the ground, dressed in an orange outfit that resembles those worn by prisoners held at the US naval base at Guantanamo Bay.
"Any aggression toward the Islamic State is an aggression toward Muslims from all walks of life who have accepted the Islamic caliphate as their leadership," the masked militant declares.
In June, the group then known as the Islamic State in Iraq and the Levant declared the dawn of a Muslim caliphate and seized control of a swath of eastern Syria and northern Iraq.
This month, Obama reacted by ordering US warplanes to counter threats to US personnel in the Kurdish regional capital Arbil or to civilian refugees from Iraqi religious minority groups.
He has insisted the scope of the strikes would remain limited, but Iraqi officials and observers have argued only foreign intervention could turn the tide on jihadist expansion in Iraq.
Shiite militias, federal soldiers, Kurdish troops and Sunni Arab tribes have been battling IS for weeks in some areas but have been unable to clinch a decisive victory.
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