A loud explosion that shook the Chelsea neighborhood of Manhattan Saturday night was "an intentional act" that injured 29 people, according to New York authorities.
29 Injured in New York Blast
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People try to access the area near the scene of an explosion on West 23rd Street and 6th Avenue in Manhattan's Chelsea neighborhood in New York, Sept. 18, 2016.
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Police officers look for suspicious packages along Fifth Avenue near the scene of an explosion on West 23rd Street and 6th Avenue in Manhattan's Chelsea neighborhood in New York, Sept. 18, 2016.
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New York City firefighters stand near the site of an explosion in the Chelsea neighborhood of Manhattan, Sept. 17, 2016.
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A fire crew works at the scene of an explosion in New York's Manhattan borough, Sept. 17, 2016. (C. Mendoza/VOA)