Residents hold up a home-made sign that reads "Help Us Now" as the motorcade of US President Barack Obama drives towards Grand Isle, Louisiana, June 4, 2010. [Agencies] 

US President Barack Obama flies aboard Marine One (L) from Grand Isle to New Orleans, Louisiana, June 4, 2010. Obama travelled to the Louisiana gulf coast to further assess damage from the BP Deepwater Horizon oil spill. [Agencies]