After a US fighter jet took down a suspected Chinese spy balloon earlier this month, it

seemed that that was that.

But it wasn't.

Since then, US fighter jets have shot down three more slow-moving objects flying high

above North America, one in Alaska.

Pentagon officials say it was shot down after being deemed a threat to the safety of civilian

flights.

One in the Yukon in Canada's North.

Our Prime Minister Justin Trudeau has ordered the military to shoot down an unknown object flying.

And one over Lake Huron just this past Sunday.

The F-16 fighter that shot down the object over Lake Huron missed on the first try, but

a second missile brought it down.

And while the US government has said the first object was a Chinese surveillance balloon,

it's still not saying what the other three were.

Because we have not yet been able to definitively assess what these most recent objects are.

We acted out of an abundance of caution to protect the security, our security, our interest,

and flight safety.

National Security Council spokesperson John Kirby told reporters at a press conference

that the US has not found any evidence to connect those more recent objects to China's

balloon surveillance program.

Kirby suggested they may have been operated privately for commercial or research purposes,

but so far no one stepped forward to claim ownership.

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