The Nogales International reports that Police Chief Jeffrey Kirkham submitted his resignation last week to city officials.

U.S. Border Patrol agents are using a new breed of horses in the border battle, saving taxpayers a lot of money.

A man in a wheelchair was arrested for attempted cocaine smuggling into the United States on Sunday at the Nogales station.

A science project at a southern Arizona school sparked a 15-acre wildfire and led to the school's evacuation.

Jose Mario Islas-Andrade, wanted for attempted murder in the shooting of a police officer, was turned over to Mexican authorities in Nogales.

Federal authorities in southern Arizona say they've seized more than 10,000 rounds of ammunition from a tractor-trailer headed to Mexico.

 OAnAAn nn An X-ray operator noticed an anomaly in the shipment of cucumbers, which led to a physical inspection and the discovery of 224 bundles of

Border Patrol agents say the men were in possession of three bundles of narcotics. Two of the bundles contained 171 pounds of cocaine worth almost $2 million.

Leaders in some Arizona border communities have been stepping up their opposition to a bill that would require "immediately warning" the public about dangers

Evidence gathered during the investigation lead agents to believe the 110-foot long and 2-foot wide tunnel was only completed this week.

Authorities say they found methamphetamine and cocaine in Ricardo Siqueiros' car during a traffic stop on Interstate 10 near Eloy.

Nogales police are still searching for gunman who shot a 19-year-old man.

A man wanted by Mexican authorities for a triple homicide in Caborca, Mexico, a year ago has been handed over to Mexican law enforcement.

Officials say they also found more than 19,000 rounds of ammunition, along with drugs, in the residence

Officials say the marijuana was worth more than a half-million dollars.