NBC's Tim Russert has died at the age of 58.
The AP reports that the cause of Tim Russert's death is not yet known:
The cause of death was not immediately clear. The network said on its Web site that Russert died of a heart attack, but Michael A. Newman, Russert's internist, later said that resuscitation was begun immediately and continued at Sibley Memorial Hospital, to no avail. An autopsy was pending, Newman said.
Watch Tom Brokaw report:
Russert was in the tracking booth, recording a track, when he collapsed. He returned from Italy Thursday night. His wife, Maureen Orth, and son Luke, are still in Italy.
TMZ reports on the details of Tim Russert's death:
DC Fire tells us the call came in at 1:41 PM ET. We're told they transported one adult male patient in cardiac arrest to Sibley Hospital where he died.
For a summary of Russert's life and career, click here.
Watch and read what media colleagues had to say in remembrance of Tim Russert.
Watch Tom Brokaw report the sad news of Tim Russert's death.
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