(CNN) -- A magnitude 7.0 earthquake struck Tuesday near Haiti's capital, Port-au-Prince, the U.S. Geological Survey. Several witnesses reported heavy damage and bodies in the streets of the Haitian capital.
There was no estimate of the dead and wounded Tuesday evening, but the U.S. State Department has been told to expect "serious loss of life," department spokesman P.J. Crowley told reporters in Washington.
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