T.K. Lalangas, of Dallas, was on a business trip in New York on September 11, 2001. He was in the South Tower of the World Trade Center when terrorists crashed two planes into the Twin Towers.

Lalangas joined News 8 Daybreak's Cynthia Izaguirre to talk about the day that quickly turned into what he described as the 'Apocalypse.'

Lalangas described what happened on the 61st floor as he wrote an e-mail to his wife as the chaos began.

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