ຄວາມເຄັ່ງຕຶງ ໃນໝູ່ ພວກປະທ້ວງ ທີ່ ກອງປະຊຸມ ພັກຣີພັບບລີກັນ

Hundreds of protesters converged in Public Square, prompting police to flood the area and keep the groups separated, in downtown Cleveland, July 19, 2016.

Hundreds of protesters converged in Public Square, prompting police to flood the area and keep the groups separated, in downtown Cleveland, July 19, 2016.

Police attempt to separate hundreds of protesters who had gathered in Public Square in downtown Cleveland, July 19, 2016.

Police attempt to separate hundreds of protesters who had gathered in Public Square in downtown Cleveland, July 19, 2016.

Black Lives Matter protesters gathered in Public Square in Cleveland, July 19, 2016. Hundreds of protesters from various groups converged. Police moved in when tensions rose among the group.

Police attempt to separate hundreds of protesters who had gathered in Public Square in downtown Cleveland, July 19, 2016.

A protester in downtown Cleveland, July 19, 2015. The Republican National Convention is being held at the Quicken Loans Arena, culminating with a speech by Republican presidential nominee Donald Trump on Thursday.

Ten Ohio Minutemen fanned out to the outer edged of a protest in Public Square when tensions rose between various protest groups, in Cleveland, July 19, 2016. One Minuteman said they were just there to make sure everyone stayed safe.

State troopers and police officers stand in lines around the protesters as tensions rose, near the Soldiers and Sailors Monument in Public Square, in Cleveland, July 19, 2016.

Cleveland police on bicycles move closer to protest going on near the Soldiers and Sailors Monument in Public Square, in Cleveland, July 19, 2016.

Protester is seen outside the convention hall in Cleveland, Ohio on July 19, 2016. (VOA/Mia Bush)

Black Lives Matter activists take their protest away from Public Square as police form a line to keep the protesters to the sidewalk and one lane of traffic, in Cleveland, July 19, 2016.

Black Lives Matter protesters are taken away by police outside the convention hall on July 19, 2016 (VOA/Mia Bush)

Black Lives Matter activists chanted as they walked away from Public Square, while police officers on bicycles rode in a line next to them, trying to keep them on the sidewalk and in one lane of traffic, in Cleveland, July 19, 2016.

Protest crowd grows on day 2 of the Republican convention, July 19, 2016 (VOA/Mia Bush

A man carrying a long rifle crosses the police line as he exits a group of Black Lives Matter activists, near Public Square, in Cleveland, July 19, 2016.

Black Lives Matter activists chanted as they walked away from Public Square, while police officers on bicycles rode in a line next to them, trying to keep them on the sidewalk and in one lane of traffic, in Cleveland, July 19, 2016.