US State Department's top official John Kirby broke down on a live television broadcast while he was speaking on Hamas's attack on Israel.
A video of Kirby, choking and seemingly struggling to stay composed has now gone viral on cyberspace.
Holding back his tears, Kirby said, 'It is difficult to look at these images'.
Notably, the United States has already confirmed the death of several Americans in the horrific terrorist attack by Hamas militants in Israel.
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