Tucson aid workers plan to sue after they claim federal agents pointed guns at them near the Arizona-Mexico border earlier this year.

A 33-year-old woman was arrested for attempting to smuggle guns into Mexico through an El Paso port of entry, officials said.

A Newport Center man, who authorities said had three loaded firearms with obliterated serial numbers while claiming to be ...

At least 21 shot, 3 fatally, in weekend gun violence across Chicago, police say At least 20 people have been shot, three fatally, in gun violence across Chicago so far this weekend, police said.

In May 2015, a military helicopter in western Mexico was brought down in a blaze of bullets and rocket-propelled grenades. The weapon that disabled the aircraft was a Browning .50-caliber machine gun.