Peaceful protest update: About 2,000 Occupy protesters take to Oakland streets, threaten to seize vacant building

Oakland police Officer Jeff Thomason says about 10 people were arrested when some in the crowd started throwing objects at police.

Oakland officials said about 250 people were in the group when the protest started around noon Saturday. But KCBS-AM reports the crowd has since grown to about 2,000.

The group was being monitored by dozens of Oakland police officers, as well as officers from nearby police agencies. Police began firing tear gas and flash bang grenades as things began to get out of hand.

They look so peaceful
flickr.com