Tom Brokaw: 'All is well after hospitalisation'

The 72 year old was taken away in an ambulance after feeling light-headed on the set of U.S. series Morning Joe in Charlotte, North Carolina.

But the former anchor of NBC Nightly News has since taken to Twitter.com and blamed the health scare on a sleeping medication mix-up, writing, "All is well. Early AM (morning) I mistakenly took a half dose of Ambien and made less sense than usual."

Brokaw has been in Charlotte to cover the Democratic National Convention.

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