Police cars block an intersection as law enforcement officials continue to negotiate with at least one hostage-taker for the release of two children and two adults he is still holding inside a house in the southern Chicago suburb of Harvey, Wednesday, Aug. 20, 2014. The standoff began at 12:45 p.m. Tuesday when Harvey police responded to reports from a neighbor of a possible burglary at the home. Two officers were wounded in an initial exchange of gunfire. (AP Photo/M. Spencer Green)
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