LIMA, Peru—An earthquake in southern Peru has left at least nine people dead, including a U.S. citizen, as buildings collapsed in a remote region that is popular with tourists, the government said Monday.

The magnitude 5.4 earthquake struck late Sunday about 4 miles from the town of Chivay in the Colca Canyon, the U.S. Geological Survey said. The canyon, which is about twice as deep as the Grand Canyon, is popular with tourists for hiking and watching the large Andean condor bird.

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