催泪瓦斯伺候占领加州人士－１９人被捕

Sat January 28, 2012

(CNN) -- Occupy activists tossed pipes, bottles, burning flares and other objects Saturday at Oakland police, who responded by using tear gas and smoke grenades and arresting 19 demonstrators, police said.

Even after an afternoon clash near the Kaiser Convention Center, protesters continued to move around the city -- including at one point Saturday evening occupying a downtown YMCA. Police encountered them there and, around 6 p.m. PT (9 p.m. ET), began clearing activists from the building and making a number of additional arrests