Police are on the scene at Lone Star College in Houston, Texas, after three people were reportedly shot during an exchange of gunfire near the campus library. Initial reports suggested that multiple people were wounded, though details on the identity of the shooter — or shooters — remained unclear. A federal law enforcement officer also said that a fourth person suffered a heart attack during the exchange. Watch CBS's live coverage:
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Lone Star College shooting Screen shot
January 22, 2013
of The Week magazine.