This image obtained from Twitter purportedly shows Haitians standing amid rubble on January 12, 2010 in Port-au-Prince after a huge quake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / TWITTER == RESTRICTED TO EDITORIAL USE / NO SALES == (Photo credit should read -/AFP/Getty Images) Original Filename: Was2801160.jpg