NEW YORK (Reuters) -The U.S. Secret Service said on Tuesday it had dismantled a network of sophisticated electronic devices in the New York area that had been used to threaten U.S. government officials as foreign leaders gather this week for the U.N. General Assembly.

The agency said the devices were concentrated within 35 miles (56 km) of the global meeting of the 193-member assembly, where U.S. President Donald Trump was due to deliver a speech on Tuesday.

“Early analysis indicates cellular communications between nation-state threat actors and individuals that are known to federal law enforcement,” the Secret Service said in a statement.

Authorities seized more than 300 SIM servers and 100,000 SIM cards across multiple sites in an operation the agency said represented an imminent thre

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