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White House: Improved surveillance caught Chinese balloon

U.S. officials said Monday that improvements ordered by President Joe Biden to strengthen defences against Chinese espionage helped to identify last week's spy balloon -- and to determine that similar flights were conducted at multiple points during the Trump administration.

A high-altitude balloon floats over Billings, Mont., on Wednesday, Feb. 1, 2023. (Larry Mayer/The Billings Gazette via AP)

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