India, May 18 -- A dramatic midair collision involving US fighter jets forced an emergency response Sunday at Mountain Home Air Force Base during the Gunfighter Skies air show, with aviation sources later saying both air crews safely ejected before impact. The incident unfolded during the first Gunfighter Skies event hosted at the Idaho base in eight years.

According to local reports, the crash happened shortly after 12:30 PM local time while the air show was underway. Officials at Mountain Home Air Force Base initially announced on social media that the installation had been placed on lockdown. In a later statement, the base confirmed an "aircraft incident" had occurred.

Emergency responders were quickly dispatched to the scene while a...