All four crewmembers safe after two US F-18s collide mid-air at Gunfighters Air Show, Idaho

Two United States F-18 military aircraft collided mid-air during an airshow in Idaho on Sunday, local media reported.

According to the report, Mountain Home Air Force Base has been locked down due to the Gunfighters Air Show crash.

All four crew members safely evacuated from the jets, local media noted.

This is a developing story.