The Grand Forks Air Force Base in North Dakota was locked down after a gunshot report

Report of gunshot prompts lockdown at Grand Forks Air Force Base in North Dakota. Security officers conducting door-to-door sweep at North Dakota Air Force base. Report of a gunshot prompts a lockdown at the base. Air Force officials are conducting door to-door sweeps.

Gunshot report triggers lockdown at Grand Forks Air Force Base in North Dakota. Door-to-door sweep and lockdown are underway at the base. A reported gunshot triggered a lockdown and door-door sweeps at the North Dakota base. The base has been closed since the report was made.