The White House has said preliminary evidence suggests three aerial objects shot down by US jets were not involved in a wider Chinese espionage program.

白宫表示，初步证据表明，被美国喷气式飞机击落的三个空中物体与更广泛的中国间谍项目无关。

The Chinese Foreign Ministry also urged Japan to be objective over the country's decision to analyze unidentified aerial objects spotted over the country in past years.

中国外交部还敦促日本对近年在日本上空发现的不明飞行物进行分析的决定秉持客观立场。

The leaders of Canada and the U.S. say they'll take action to keep their citizens safe after a fourth aerial object has been shut down over Lake Huron.

加拿大和美国领导人表示，击落在休伦湖上空发现的第四个空中物体后，他们将采取行动保护本国公民的安全。