Protests outside GOP convention in Cleveland

A law enforcement officer tries extinguish a burning American flag, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention.

Protesters burn an American flag during a demonstration, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention.

Law enforcement officers clash with protesters, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention.

Law enforcement officers take protesters into custody July 20, 2016, in Cleveland during the third day of the Republican convention.

A protestor burns a US flag near the entrance to Quicken Loans Arena, site of the Republican National Convention, in Cleveland, Ohio, on July 20, 2016.

Police hold a protester to the ground during a demonstration, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention.

Law enforcement officers take a protester into custody, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention.