LA schools threat 'came from foreign country'

(see related)(ANSA) - New York, December 15 - An email threatening Los Angeles schools arrived from a foreign country, investigative sources told ABC News on Tuesday. LA School Superintended Ramon Cortines said the threat was explicitly aimed at "students at school".
    Meanwhile in New York City, Mayor Bill de Blasio and Police Chief William Bratton said officials there received the same threatening email and assessed it as "not credible".
    School districts throughout the country were targeted by the threatening email, De Blasio and Bratton said.