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TUCSON, Ariz. (AP) — Mexican law enforcement on Thursday crossed into Arizona by helicopter and fired two shots at U.S. border agents, a border patrol union leader says.

A Mexican law enforcement chopper crossed about 100 yards north into the Arizona desert, the U.S. Border Patrol said in a statement. The helicopter then fired two shots on the Tohono O'Odham Indian Nation, which sits on the border. Border patrol union leaders say the Mexicans fired at agents but that none of them were hurt.

However, Mexican authorities have denied shooting at agents and say they were under attack during a mission to find smugglers on the border.

Toms Zern, the director of the Mexican attorney general's office investigative office, said that Mexican military and federal police who were conducting an operation on a ranch in Altar, Sonora, were shot at by criminals. Mexican authorities never fired any weapons and in fact never crossed into the U.S. side of the border, he said.

Art del Cueto, president of the local border patrol union, said four agents were in a marked patrol vehicle when they were shot at.

"They could say they didn't fire at the agents intentionally. But for them to say that they were no shots fired within the United States, toward the United States Border Patrol, is a lie. They got in contact with our managers and apologized for the incident," del Cueto said.

The Mexican helicopter was 15 yards from the border agents when they were came under fire, Del Cueto said. He's also concerned that Tucson sector officials didn't notify the next shift of border agents that there had been a shooting, he said.

"... I think our managers within the area should have definitely informed the oncoming shift this had happened. We're always on high alert, but I think it would raise a fear level for our agents," del Cueto said.

Sebastin Galvn, a spokesman for the Mexican Consulate in Tucson, said the office was gathering information but did not have any details yet.

This incident was not the first one in which the Mexican military has veered across the international boundary.

In January, U.S. border agents confronted two heavily armed Mexican soldiers who crossed 50 yards inside Arizona, the Los Angeles Times reported. A standoff ensued, but nobody was hurt.

In 2011, more than 30 uniformed Mexican soldiers in military vehicles crossed the Rio Grande without authorization in an incident that was believed to be inadvertent.

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Castillo reported from Mexico City.

Follow Astrid Galvn at —http://twitter.com/astridgalvan

WASHINGTON (AP) — The Food and Drug Administration on Friday approved a long-delayed inhalable diabetes medication to help patients control their blood sugar levels during meals.

The FDA cleared MannKind Corp.'s drug Afrezza, a fast-acting form of insulin, for adults with the most common form of diabetes that affects more than 25 million Americans. The approval decision comes more than three years after the agency first asked MannKind to run additional clinical studies on the drug.

Diabetes is a chronic condition in which the body either does not make enough insulin to break down the sugar in foods or uses insulin inefficiently. It can lead to blindness, strokes, heart disease or death. In type 2 diabetes, the most common form of the disease, the body does not use insulin properly. Type 1 diabetes is usually diagnosed in children and young adults. In those cases, the body does not produce insulin.

Afrezza, an insulin powder, comes in a single-use cartridge and is designed to be inhaled at the start of a meal or within 20 minutes of starting. MannKind has said patients using the drug can achieve peak insulin levels within 12 to 15 minutes. That compares to a wait time of an hour and a half or more after patients inject insulin.

The FDA said in its approval announcement that Afrezza is not a substitute for long-acting insulin and is a new option for controlling insulin levels during meals.

The FDA approved the drug with a boxed warning — the strongest type — indicating that the drug should not be used in patients with chronic lung diseases, such as asthma, due to reports of breathing spasms.

Demand for diabetes treatments are surging globally as the prevalence of obesity explodes. Roughly 347 million people worldwide have the disease, according to the World Health Organization.

After a two-year trial for Internet voting, Norway is pulling the plug.

The country's Office of Modernization said in a statement that there's no evidence that online voting, tested in elections in 2011 and 2013, improved turnout. It also said that "political disagreement" over the issue, along with voters' fear that ballots might not be secure, could undermine the democratic process.

The office said it had "decided that the attempt with voting over the Internet should not be promoted."

The idea of online voting has been in the ether for as long as the Internet, so Norway's experience might be relevant elsewhere.

It seems to have worked in a few places, such as Estonia, where citizens have been clicking to vote since 2005. According to Thad Hall, a political scientist quoted by The Washington Post: "Surveys have found that Estonians view their system as being very effective. ... They have high confidence in it. They like it."

And, the question of whether it's also a viable option for the United States has come up in numerous articles over the years.

David Jefferson, a computer scientist at Lawrence Livermore National Laboratory, wrote in 2011 that "computer and network security experts are virtually unanimous in pointing out that online voting is an exceedingly dangerous threat to the integrity of U.S. elections.

"There is no way to guarantee that the security, privacy, and transparency requirements for elections can all be met with any practical technology in the foreseeable future," he says.

And in 2012, the MIT Technology Review published a paper titled "Why You Can't Vote Online," in which it concluded that fundamental security problems had yet to be solved.

"The unsolved problems include the ability of malicious actors to intercept Internet communications, log in as someone else, and hack into servers to rewrite or corrupt code," wrote the paper's author, David Talbot.

"While these are also big problems in e-commerce, if a hacker steals money, the theft can soon be discovered. A bank or store can decide whether any losses are an acceptable cost of doing business," he said. "Voting is a different and harder problem. Lost votes aren't acceptable."

And, just this month, an unofficial referendum on freedoms in Hong Kong was criticized by Beijing for (among other things) being open to manipulation because it has an online voting option.

SANDY, Utah (AP) — Utah authorities have captured a mountain lion that startled shoppers but didn't hurt anybody Friday morning at a shopping center in a Salt Lake City suburb.

Sandy police Sgt. Dean Carriger says the mountain lion was spotted walking across a street and into Jordan Commons in Sandy, Utah, just before 8 a.m.

Officers found the cat hunkered down at the entrance of a steakhouse. Some people were taking pictures and videos while others were unaware the cat was there.

When the cat came running out, an officer fired one shot but missed. The mountain lion ran away and hid in brush near a commuter train line.

Wildlife officers shot the cat with a tranquilizer gun there, about an hour and a-half after it was first spotted.

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