Opposition political leader Leopoldo Lopez (C) arrives at the headquarters of the Public Prosecutor, while his supporters demonstrate in his favor, in Caracas, Venezuela, on Feb. 28, 2013. Lopez appeared before Public Prosecutor, where he is being investigated for a complaint against him by the Venezuelan Government for an alleged case of corruption on the money management of Petroleos de Venezuala S.A. (PDVSA), according to local press. (Xinhua/Juan Carlos Hernandez)

Opposition political leader Leopoldo Lopez (C) talks to the media while his supporters demonstrate in his favor, in Caracas, Venezuela, on Feb. 28, 2013. Lopez appeared before the Public Prosecutor where he is being investigated for a complaint against him by the Venezuelan Government for an alleged case of corruption on the money management of Petroleos de Venezuala S.A. (PDVSA), according to local press. (Xinhua/Juan Carlos Hernandez)

Demonstrators participate during a protest in support of opposition political leader Leopoldo Lopez in front of Bilivarian National Guard members, in Caracas, Venezuela, on Feb. 28, 2013. Hundreds of people demonstrated in front of the Public Prosecutor of Caracas where the political leader Leopoldo Lopez is investigated for an alleged case of corruption on the money management of Petroleos de Venezuala S.A. (PDVSA, by its acronym in Spanish), according to local press. (Xinhua/Mauricio Valenzuela)