The dangerous "knockout" attacks on strangers in large U.S. cities are leading to arrests, more officers flooding the streets and more warnings for vigilance among an unsuspecting public, according to USA TODAY.
The paper reports hoodlums have dubbed the violent practice as the 'Knockout Game,' where teens try to randomly knock out strangers with one punch.
The attacks have raised concerns across the country. Recent attacks have occurred in New York, New Haven, Conn., Washington, D.C. and suburban Philadelphia. But the violent attacks go back several years. In 2011, St. Louis, Mo. had a rash of incidents, one of which led to the killing of a Vietnamese immigrant, USA TODAY reports.
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