US President Barack Obama has vowed to coordinate a swift "aggressive effort to save lives and support recovery in Haiti" following its devastating earthquake.
The president says responding to the disaster is a "top priority" for his administration as relief teams arrive and start work in Haiti.
The 7.0-magnitude quake, Haiti's worst in two centuries, struck south of the capital, Port-au-Prince, on Tuesday.
The extent of the devastation from the huge quake is slowly emerging, with thousands of people feared dead.
One-Minute World News 
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