RETRANSMITTED FOR ALTERNATE CROP - U.S. Park Police push Occupy DC demonstrators across a section of McPherson Square in Washington, Saturday, Feb. 4, 2012. Dozens of Park Police officers in riot gear and on horseback converged before dawn Saturday on one of the nation's last remaining Occupy sites, with police clearing the grounds of tents that they said were banned under park rules. Police said they were not evicting the protesters; those whose tents conformed to regulations were allowed to stay. (AP Photo/Cliff Owen)
February 4, 2012 5:29:31 PM PST
WASHINGTON (AP) - February 4, 2012 --
U.S. Park Police say an officer has been struck with a brick in the face as officers in riot gear and on horseback cleared protesters from one of the last remaining Occupy sites.