"Smoke rises from the Tungurahua volcano in Huambalo, Ecuador, on Tuesday, August 21. Increased volcanic activity has led authorities to raise a security alert from moderate to high. The volcano is 87 miles (140 kilometers) south of Quito, Ecuador's capital.  <a href=""http://ireport.cnn.com/topics/293965"">Are you there? Send us your pictures and video.</a>"
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