UPDATED: APRIL 16, 11:01 AM
Two explosions near the Boston Marathon finish line killed at least three people and injured at least 176.
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Of the 23,326 who started the marathon, 17,584 finished; 4,496 did not. The last people crossed the finish line at 2:57 p.m.
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The first explosion occurred a few hundred feet short of the finish line at about 2:50 p.m. on the corner of Boylston Street and Exeter Street.
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The second explosion, just 13 seconds later, occurred further from the finish line near Boylston Street and Ring Road.
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The Mandarin Oriental Hotel and the Lenox Hotel were evacuated shortly after the bombings.
CHIQUI ESTEBAN, GABRIEL FLORIT, ALVIN CHANG / GLOBE STAFF