(Ed. note: NewsChannel 5, an NBC affiliate, initially retweeted NBC News and sent out a breaking news alert based on that information. A correction was later issued. We apologize this error.)

NEW YORK (AP) - NBC and TMZ are the latest to learn how the irresistible urge for a scoop even for a matter of minutes can burn a news organization.

NBC on Tuesday quoted an anonymous source when it incorrectly reported how the NBA was punishing Los Angeles Clippers owner Donald Sterling for racist comments just minutes before league commissioner Adam Silver announced it. NBC reported Sterling would be banned indefinitely and fined $5 million. Silver banned Sterling for life and fined him $2.5 million.

NBC tweeted, posted and broadcast its mistake on NBC, MSNBC and CNBC before correcting it after Silver's announcement.

TMZ initially aired the taped conversation that led to Sterling's ban. It also cited an anonymous source when it jumped the gun with the wrong punishment.

Sterling hasn't commented.

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