A lockdown at an Air Force base in Arizona was lifted Monday, more than an hour after "unconfirmed" reports of shots fired there, as a Pentagon official told Fox News it likely was a false alarm. We will continue with updates as available — Davis-Monthan AFB (@DMAFB) January 23, 2017Davis-Monthan Air Force Base officials had urged everyone to seek shelter as on-site security investigated. About 6,500 active duty military and 1,000 Reserve and Air National Guard personnel work on the base, along with about 3,000 civilians. #TucsonSector Border Patrol's Special Operation Group is currently supporting @DMAFB during base lockdown. The Sonoran Science Academy, a charter school on the base, reported that it would not answer phones during the lockdown.

Source: Fox News January 23, 2017 17:55 UTC