Capriles Supporters Protest in Caracas

Supporters of opposition leader Henrique Capriles run away from tear gas fired by riot police as they demonstrated for a recount of the votes in Sunday's election, in Caracas, April 15, 2013.

Supporters of opposition leader Henrique Capriles stand in front of riot police as they demonstrate for a recount of the votes in Sunday's election, in Caracas, April 15, 2013.

A man jumps over a barricade of burning garbage that supporters of opposition leader Henrique Capriles used to block a street, as they demonstrated for a recount of the votes in Sunday's election, in Caracas, April 15, 2013.

Demonstrators, one holding a poster of opposition presidential candidate Henrique Capriles, confront riot police from behind a burning barricade in the Altamira neighborhood in Caracas, April 15, 2013.

Riot police charge towards demonstrators as opposition supporters and students block a highway in the Altamira neighborhood of Caracas, April 15, 2013.