The pistols and powerful rifles guard members carry are similar to those local police use across the country. Troops have been told to use their weapons only as a last resort.

Many National Guard members in D.C. are now carrying weapons during their patrols. Hollie Strano, Canton Mix 94.1's new weather forecaster, has been temporarily knocked off the air by injury. Here's what happened.

The exact number of troops who would carry their weapons was fluid, but they will either carry M17 pistols or M4 rifles, according to officials who spoke on condition of anonymity.