Chinese 'spy balloon' spotted flying over US – video

A video filmed in Montana appears to show a Chinese spy balloon flying over the US. The Pentagon has said it is tracking the balloon but decided against shooting it down for safety reasons. Defence officials said the balloon had been watched since it entered US airspace, flying at high altitude, a few days ago. The object first flew over Alaska's Aleutian Islands and Canada before appearing over the city of Billings, Montana, on Wednesday, officials said

• Pentagon says it is monitoring Chinese spy balloon flying over US
• Spy balloons: what are they and why are they still being used?