Violent Weekend: Four Dead, 19 Wounded in New York

A man walks past a small memorial that was placed near the site of a fatal shooting in the Bronx section of New York, Monday, June 30, 2014. Authorities say at least 21 people were shot across New York City over the weekend. (AP Photo/Seth Wenig) Seth Wenig

Weekend violence killed four and wounded 19 in all of New York City's boroughs, but police say 2014's shooting volume is lower than last year.

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