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NEW YORK (CBS News) — Brian Williams the NBC “Nightly News” anchor who admitted he falsely recounted a story that he was in a helicopter that was hit by ground fire in Iraq in 2003 was suspended without pay by for six months, according to an internal memo at the network.

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The memo, written by NBC News President Deborah Turness, says an investigation into Williams is being conducted and Williams was notified earlier on Tuesday.

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An interview with Star and Stripes newspaper conducted last week and published Monday provided a more detailed look at the embattled anchor’s recollection of the events 12 years ago. Williams, who backed out of scheduled appearance on David Letterman’s “Late Show” on Thursday.

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