US Offers 'Leading Explanation' That 'Benign' Mystery Balloons 'Tied to Commercial or Research' Use

The unidentified flying objects saga, launched when the US shot down a Chinese balloon on February 4 over the Atlantic Ocean, and fuelled further after three more craft were downed in a matter of days over Alaska, Canada's Yukon, and over lake Huron, has been rife with speculation and wild theories.