Physically disabled people clash with riot police in La Paz, Bolivia on Feb. 23, 2012. Hundreds of physically disabled people arrived in La Paz on Thursday after completing a protest march of 994 miles to demand that Bolivia's government offer support in the form of $434 payment to each physically disabled Bolivian, according to local media.

A physically disabled man tries to block a police vehicle during clashes with riot police in the center of La Paz on Thursday.

A wheelchair-bound woman is helped after being affected by tear gas during clashes with riot police.