New York police chief says `` acts of violence will not be tolerated '' Grand jury weighing evidence to determine if Michael Brown will face charges . the St. Louis County grand fatally shot Officer Darren Wilson , an unarmed teen , in the weeks , setting off protests . Your view from Ferguson . ' Governor has declared state of emergency ; mayor has told police to prepare for worst .
New York police chief says `` acts of violence will not be tolerated '' Grand jury weighing evidence to determine if Michael Brown will face charges . the St. Louis County grand fatally shot Officer Darren Wilson , an unarmed teen , in the weeks , setting off protests . Governor has declared state of emergency ; mayor has told police to prepare for worst .