Suspicious Powder

Police Investigating Suspicious Powder On NJ TRANSIT Train At Penn StationNJ TRANSIT said one of its employees found white powder on board one of its trains and alerted authorities.
Police: No Link Between Suspicious Letters In Darien, Conn.Letters containing powder were sent to two homes in Darien, Conn.
Brooklyn Federal Courthouse Locked Down Due To Suspicious PowderThe federal courthouse in Brooklyn was locked down Tuesday afternoon, after suspicious white powder was discovered.