Photos of persons of interest released in Berkeley Milo Yiannopoulos rally violence, vandalism

Police in Berkeley, Calif. released pictures of 21 people and four groups of people they want to talk to about the acts of violence and vandalism that happened earlier this month.

BERKELEY, Calif. (KGO) -- Police released pictures of 21 people and four groups of people they want to talk to about the acts of violence and vandalism that happened earlier this month at an anti-Milo Yiannopoulos protest in Berkeley.

Click here to take a closer look at the pictures.

PHOTOS: Violent protests over Yiannopoulos event bring chaos to Berkeley

Violent protests over Yiannopulos event bring chaos to Berkeley

Protests turned violent, prompting a cancelation of a planned appearance Wednesday by controversial internet figure Milo Yiannopoulos, an editor for the conservative website Breitbart.

Photos of persons of interest released in Berkeley Yiannopoulos protest