https://www.cbsnews.com/live-updates/chinas-spy-balloon-unidentified-objects-shot-down-what-we-know-so-far/

When a Chinese spy balloon floated across the U.S. earlier this month, it ignited a firestorm of concern on Capitol Hill and led to the cancellation of Secretary of State Antony Blinken’s trip to China amid already fraught relations between the two countries. 

China has maintained it was a weather balloon that veered off course. But the balloon was doing something much more sinister, according to the U.S. 

There have since been a number of other incidents involving flying objects, raising even more concern. 

Here’s what we know about the balloon and the other objects: 

本月早些时候，当中国间谍气球飞越美国上空时，它点燃了国会山上的关注之火，导致美国国务卿安东尼·布林肯（Antony Blinken）的访华行程取消，两国关系本已十分紧张。

中国一直坚持认为它是一个偏离航向的气象气球。 但据美国媒体报道，气球正在做更邪恶的事情。

其后，又发生了数宗涉及飞行物体的事件，更令人关注。

下面是我们对气球和其他物体的了解: