NORAD detects, tracks 4 Russian military aircraft near Alaska airspace

The U.S. military said it detected four Russian military aircraft flying near Alaska. NORAD confirmed that the aircraft stayed in international airspace.

"The Russian aircraft remained in international airspace and did not enter American or Canadian sovereign airspace," NORAD said. "This Russian activity in the Alaska ADIZ occurs regularly and is not seen as a threat." 

The statement added, "An ADIZ begins where sovereign airspace ends and is a defined stretch of international airspace that requires the ready identification of all aircraft in the interest of national security."