Tensions between police and African-Americans have been on the rise in recent years amid the high-profile deaths of several black men at the hands of law enforcement. Since then, threats ranging from generic promises of violence to specific video postings have been made, only heightening fears of further attacks. And a man who killed one person and wounded three others " including an officer " in Tennessee apparently told investigators he was motivated by the recent killings of black men by police. While some threats have been unspecific and not credible, other promises of violence have been more targeted. ATLANTA (AP) " Police agencies across the U.S. are on edge and on guard after receiving threats and calls for violence against them on social media in the aftermath of the killings of two black men and the sniper attack that left five officers dead in Dallas.

Source: New Zealand Herald July 10, 2016 01:52 UTC