Pentagon: Suspected Chinese spy balloon spotted over Western US

The US is tracking a suspected Chinese surveillance balloon that has been spotted over American airspace for several days.

A senior defence official told Pentagon reporters the US had “very high confidence” the object was a Chinese high-altitude balloon and it was flying over sensitive sites to collect information. But officials said the Pentagon had decided not to shoot the balloon down due to risks of harm for people on the ground.

One of the places the balloon was spotted was Montana, which is home to one of the nation’s three nuclear missile silo fields at Malmstrom Air Force Base. The official spoke on condition of anonymity to discuss sensitive information.

Brig Gen Patrick Ryder, Pentagon press secretary, provided a brief statement on the issue, saying the government continued to track the balloon.

The US is tracking a suspected Chinese surveillance balloon that has been spotted over US airspace for a couple days, but the Pentagon decided not to shoot it down due to risks of harm for people on the ground, officials have said.

He said it was “travelling at an altitude well above commercial air traffic and does not present a military or physical threat to people on the ground”. The defence official said the US had “engaged” Chinese officials through multiple channels and communicated the seriousness of the matter.

The Pentagon announcement comes days before Secretary of State Antony Blinken is expected to travel to China. It is not clear if this will affect his travel plans, which the State Department has not formally announced.

The senior defence official said the US did get fighter jets, including F-22s, ready to shoot down the balloon if ordered to by the White House.

The Pentagon ultimately recommended against the action, noting even as the balloon was over a sparsely populated area of Montana, its size would create a debris field large enough that it could have put people at risk.

The official would not specify the size of the balloon, but said it was large enough that despite its high altitude, commercial pilots could see it.

All air traffic at the Billings, Montana, Logan International Airport was placed on a temporary ground stop on Wednesday as the military provided options to the White House. A photograph of a large white balloon lingering over the area was captured by the Billings Gazette, but the Pentagon would not confirm if the object was the surveillance balloon.

The official said what concerned them about this launch was the altitude the balloon was flying at and the length of time it lingered over a location.

Foreign Ministry spokeswoman Mao Ning said China was a “responsible country” that had “always strictly abided by international laws” and “has no intention to violate the territory and airspace of any sovereign countries”.

She said: “As for the balloon, as I’ve mentioned just now, we are looking into and verifying the situation and hope that both sides can handle this together calmly and carefully.”

Ms Mao said people should not judge “before we have a clear understanding of the facts”.

Tensions with China are particularly high, ranging from concerns over Taiwan and the South China Sea to human rights in China’s western Xinjiang region and the clampdown on democracy activists in Hong Kong.

Not least on that list of irritants is China’s tacit support for Russia’s invasion of Ukraine, its refusal to rein in North Korea’s expanding ballistic missile program and ongoing disputes over trade and technology. The surveillance balloon was first reported by NBC News.