Haitian residents who have been living and working undocumented in the Dominican Republic wait for Dominican immigration officials to allow them back into the Dominican Republic at the border at Haiti's town of Ouanaminthe Jan 7, 2013. About 1,000 undocumented Haitians, who returned to their home country for the year end holidays, were prevented from entering back into the Dominican Republic after the Dominican Army increased border control.[Photo/Agencies]

A US Coast Guard vessel maintains a perimeter around the 750-foot-long tanker "Overseas Reymar" after the vessel collided with the San Francisco Bay Bridge's "Echo" tower, seen between the two ships, in San Francisco, California Jan 7, 2013. According the the US Coast Guard, the vessel stuck the tower while heading out to sea but did not appear to be leaking oil.[Photo/Agencies]