Venezuela's opposition presidential candidate, Henrique Capriles, gestures as he casts his vote during Venezuela's presidential elections, at Santo Tomas de Villanueva School, in Baruta municipality, Miranda State, east of Caracas, Venezuela, on April 14, 2013. Venezuela held presidential election on Sunday. (Xinhua/Mauricio Valenzuela)

Venezuela's Acting President Nicolas Maduro attends the voting at a polling station in Caracas, April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/David de la Paz)

Venezuela's opposition presidential candidate, Henrique Capriles, gestures as he casts his vote during Venezuela's presidential elections, at Santo Tomas de Villanueva School, in Baruta municipality, Miranda State, east of Caracas, Venezuela, on April 14, 2013. Venezuela held presidential election on Sunday. (Xinhua/Mauricio Valenzuela)

Venezuela's opposition presidential candidate, Henrique Capriles, gestures as he casts his vote during Venezuela's presidential elections, at Santo Tomas de Villanueva School, in Baruta municipality, Miranda State, east of Caracas, Venezuela, on April 14, 2013. Venezuela held presidential election on Sunday. (Xinhua/Mauricio Valenzuela)

Venezuela's opposition presidential candidate, Henrique Capriles delivers a speech after casting his vote during Venezuela's presidential elections, at Santo Tomas de Villanueva School, in Baruta municipality, Miranda State, east of Caracas, Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/Zhang Jiayang)

Venezuela's opposition presidential candidate, Henrique Capriles marks his finger with ink after casting his vote during Venezuela's presidential elections, at Santo Tomas de Villanueva School, in Baruta municipality, Miranda State, east of Caracas, Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/Zhang Jiayang)

Venezuela's Acting President Nicolas Maduro attends the voting at a polling station in Caracas, April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/David de la Paz)

Venezuela's Acting President Nicolas Maduro shakes hands with supporters at a polling station in Caracas, April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/David de la Paz)

Venezuelan executive Vice President, Jorge Arreaza (C), casts his ballot at a polling station in the city of Caracas, capital of Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/AVN)

Venezuelan Acting President and presidential candidate Nicolas Maduro (L) attends a press conference after casting his vote at the Ali Primera Park, in the city of Caracas, capital of Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/Juan Carlos Hernandez)

Rosa Virginia Chavez (L), daughter of late Venezuelan President Hugo Chavez, casts her ballot at a polling station, in the city of Caracas, capital of Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/AVN)

 The president of Venezuela's National Electoral Council, Tibisay Lucena, casts her ballot for Venezuelan presidential elections, in the city of Caracas, capital of Venezuela, on April 14, 2013. Venezuela held presidential elections on Sunday. (Xinhua/AVN)