University students gesture after announcing the end of their hunger strike outside the office of the Organization of American States (OAS) in Caracas, Venezuela, Tuesday Feb. 22, 2011. (AP2011)
An opposition protester waves a Venezuelan flag at a protest in support of a group of students who have been on huger strike in Caracas, Venezuela, Tuesday Feb. 22, 2011.
Demonstrators hold a poster that reads, in Spanish, "Freedom for Alejandro Peña Esclusa, no more political prisoners" during a protest outside the offices of the Organization of American States, OAS, where students recently ended a hunger strike demanding freedom for political prisoners in Caracas, Venezuela. Peña, an opposition member, was arrested most recently in July 2010 and is being tried for allegedly hiding explosives and weapons in his home. (AP Photo/Fernando Llano)
Students sleep on mattresses under during a hunger strike in Caracas, Venezuela. More than a dozen college students vowed to continue a hunger strike that began over two weeks ago outside the Caracas offices of the Organization of American States to demand an investigation into alleged rights abuses under Venezuela's President Hugo Chávez. The sign reads, in Spanish," 16 days on hunger strike." (AP Photo/Ariana Cubillos) (AP2011)
University students protest in support of a hunger-striking group of students. The students who began their hunger strike on Jan. 31, to demand freedom for political prisoners, ended their strike on Tuesday, saying the Organization of American States (OAS) has pledged to discuss Venezuela's human rights situation and local authorities have pledged to review political prisoners cases. (AP Photo/Ariana Cubillos)
University students protest in support of a group of students who have been on huger strike in Caracas, Venezuela, Tuesday Feb. 22, 2011.
A demonstrator holds dolls dressed in the colors of Venezuela's flag at a protest outside the office of the Organization of American States (OAS), where students recently ended a hunger strike to demand freedom for political prisoners.
Posters with images of political prisoners and the Virgin of Guadalupe are seen stuck on a wall during a hunger strike in Caracas, Venezuela, Tuesday, Feb. 15, 2011. (AP2011)
Students lie on mattresses during a hunger strike in Caracas, Venezuela, Tuesday, Feb. 15, 2011. More than a dozen college students vowed to continue a hunger strike that began over two weeks ago outside the Caracas offices of the Organization of American States to demand an investigation into alleged rights abuses under Venezuela's President Hugo Chavez. (AP Photo/Ariana Cubillos) (AP2011)
Students Isli Lugo, front, holding a flower, and German Cortez lie on matresses during a hunger strike in Caracas, Venezuela, Tuesday, Feb. 15, 2011. (AP2011)