While close to 150 world leaders prepared to descend on Manhattan for the U.N. General Assembly, the U.S. Secret Service was quietly dismantling a massive hidden telecom network across the New York area — a system investigators say could have crippled cell towers, jammed 911 calls and flooded networks with chaos at the very moment the city was most vulnerable. Read more at: https://www.9news.com/article/news/nation-world/secret-service-un-telecom-threat-blocking-service/507-40bc0877-cfb8-4fc3-9b18-14960fd7281a More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news X: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.