
High-altitude object shot down over Alaska, US says
The object of unknown origin was shot down by an F-22 using a sidewinder missile, the US says.
www.bbc.com
Speaking at the White House on Friday, Mr Kirby explained that the object over Alaska was travelling at 40,000ft (12,000m) and posed a "reasonable threat" to civilian aircraft.
He said the object had fallen into US waters that are frozen, adding that its debris field was "much, much smaller" than the balloon shot down last week off the coast of South Carolina.

Unknown object U.S. shot down over Alaska was heading into Canadian airspace: sources
The unknown high-altitude object that the U.S. shot down over Alaska on Friday was heading into Canadian airspace, sources tell CTV News.
The size of a small car, the object was first detected Thursday night. Few other details have emerged about its origins and purpose.