Secret Service agents have dismantled a network of electronic devices at multiple locations around New York City that could be used to disable the city's cellphone network, officials said Tuesday.

A massive illegal electronic device network capable of crippling cell towers and jamming 911 calls across New York City was uncovered by the Secret Service — just as world leaders prepared to descend ...

The Secret Service said it has foiled a telecommunications network of tens of thousands of devices that could have been used to wipe out cell networks in New York City, all while world leaders ...

Federal agents dismantled a network of devices in the New York area that was used to threaten senior US government officials and bore signs of foreign involvement, according to the US Secret Service.

The Secret Service discovered more than 100,000 SIM cards and 300 servers, which could disable cellular towers or be used to conduct surveillance. By Eileen Sullivan Reporting from Washington The ...