Missouri Gov. Jay Nixon declares a state of emergency and is implementing a curfew in the St. Louis suburb where a black teenager was killed by a police officer a week ago. For more news, please go to FoxNews.com and watch Fox News Channel. ©2014 Fox News Network, LLC. All Rights Reserved. Fox News never sends unsolicited email. You received this email because you requested a subscription to Breaking Alerts from FoxNews.com .