MEDIA
08/07/2013 01:44 pm ET

Brian Williams Undergoes Knee Replacement Surgery

Brian Williams underwent knee replacement surgery on Tuesday.

The "NBC Nightly News" anchor told viewers last week that after 35 years of pain in his right knee, he had finally made the decision to get a knee replacement.

Williams is expected to be out on leave for a few weeks. During his absence, "Nightly News" weekend anchor Lester Holt will take over the weeknight program.

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