The accusations made by China on Monday have further ratcheted up tensions between the two countries amid mutual allegations of surveillance.
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China says US balloons breached airspace at least 10 times
Why the Chinese spy balloon has been so unsettling for Americans.
Chinese spy balloon was able to get intelligence on US military sites: Report - Washington Examiner
China says U.S. flew spy balloons more than 10 times into Chinese airspace : NPR
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