Minutes later, Mr. Golden lay bleeding, seriously wounded after he stepped on a bag that contained explosive material that the New York Police Department was working Monday to identify. In Central Park on Sunday morning, according to a law-enforcement official, 18-year-old Connor Golden and two friends were scouting a location to slack line, which involves walking along a long rope suspended between two points. On Monday, NYPD...

Source: Wall Street Journal July 04, 2016 17:37 UTC