Federal authorities have taken down a network of electronic devices near the UN in New York that could have crippled cell tower communications, the Secret Service said.

The U.S. Secret Service dismantled a network of sophisticated electronic devices in the New York area that had been used to ...

Secret Service seizes 300 SIM servers, 100,000 SIM cards near UN assembly, averting imminent national security threat.

The devices were mainly within 35 miles of the U.N. General Assembly now underway in New York, increasing the urgency.