Governors of at least six states have signed orders allowing National Guard troops to carry firearms at their installations, as debate grows about whether to allow military recruiters to be armed after the fatal shooting of five servicemen at a reserve training center in Tennessee.

Among the latest to take action was Indiana Gov. Mike Pence, a Republican who on Saturday directed his adjutant general to authorize the arming of all military personnel at National Guard facilities in the state and storefront recruiting centers.

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