The international campaign to free Puerto Rican political prisoner Oscar López Rivera is asking people from all over the world to contribute in making the hashtag #freeOscarLopez a trending topic tomorrow, April 1st. Tweets should also include U.S. president Barack Obama's handle @BarackObama.

This year, López Rivera will have been imprisoned in the United States for 33 years on charges of “seditious conspiracy.” López Rivera, 70, is a fighter for the independence of Puerto Rico, a colony of the United States. Politicians, artists, and many people across different ideologies have united to ask the president of the United States, Barack Obama, to pardon López Rivera, who has been called the longest held political prisoner in the western hemisphere. For more information on Oscar López Rivera, see Facebook pages 32 X Oscar [es] and Free Oscar López Rivera