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Veterans ripped a sign that read "The Emperor Benghazi Has No Clothes" from a protester's hands as a group gathered for President Barack Obama’s speech on veterans' issues in Pittsburgh.

The tussle occurred as the president spoke to the national convention of the Veterans of Foreign Wars about stressing the need to honor soldiers’ service.

The sign was a reference to the September 11, 2012, attacks on the U.S. diplomatic mission in Benghazi, Libya which resulted in the death of Ambassador Christopher Stevens and three other Americans.