A U.S. Marine wears a gas mask after rescue workers using a backhoe broke open a stock of tear gas that had been stored in the Embassy, April 19, 1983.  Tear gas drifted up through the rubble, causing rescue workers and Marines to cough and sneeze.  The Embassy, seen in the background, was severely damaged in a bomb blast yesterday. Photo: Bill Foley, ASSOCIATED PRESS / AP1983
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