White House Summit Won't Focus Solely on IS Group

A White House summit this week on countering violent extremism will not focus exclusively on threats from the Islamic State group, senior administration officials said Monday.

While the militant group, which has killed several Americans and others it had been holding hostage, poses a near-term threat to the United States, one of three officials previewing the summit for reporters on Monday said violent extremists "come in all shapes and sizes."

The three-day conference will highlight domestic and international efforts to prevent extremists and their supporters from radicalizing, recruiting and inspiring others, particularly disaffected young people. The conference is designed to share best practices and emerging strategies to prevent extremists from carrying out violent acts.

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