The North American Aerospace Defence Command (NORAD) intercepted a group of bombers near Alaska, marking the first instance of joint Russian and Chinese operations prompting such a response from the United States, CNN reported, citing, a United States defence official.
United States fighter jets on Saturday shot down an unidentified, unmanned high-altitude airborne object over northern Canada that had entered its airspace from Alaska, President Joe Biden said.
On Tuesday, Trudeau called up United States President Barack Obama to convey that he would make good on a campaign promise to withdraw Canada's jets from the United States-led bombing campaign against the Islamic State in Iraq and Syria.