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The sheriff's sergeant who initially responded to last month's mass shooting at the Borderline Bar and Grill in Thousand Oaks, California, was fatally shot by gunfire from a California Highway Patrol officer, officials said Friday.Sgt. Ron Helus was struck five times by gunfire from the suspect, Ian David Long, according to Ventura County Sheriff Bill Ayub, but was hit by a sixth bullet from a CHP officer's rifle.Helus could have potentially survived the five wounds from Long's weapon, but the sixth bullet proved fatal. It struck Helus in the chest and his heart, according to Dr. Christopher Young, the Ventura County medical examiner. It was the "most lethal wound" Helus sustained, Young said.The 29-year law enforcement veteran was set to retire from the Ventura County Sheriff's Office next year. He was among the first officers through the door at the Borderline when the shooting began November 8 and was shot as he tried to stop the gunman, who killed 11 others in the attack.Helus later died at a hospital. 1029

The smoke from dozens of wildfires in the western United States is stretching clear across the country — and even pushing into Mexico, Canada and Europe. While the dangerous plumes are forcing people inside along the West Coast, residents thousands of miles away in the East are seeing unusually hazy skies and remarkable sunsets.The wildfires racing across tinder-dry landscape in California, Idaho, Oregon and Washington are extraordinary, but the long reach of their smoke isn’t unprecedented. While there are only small pockets in the southeastern U.S. that are haze free, experts say the smoke poses less of a health concern for those who are farther away.The sun was transformed into a perfect orange orb as it set over New York City on Tuesday. Photographs of it sinking behind the skyline and glinting through tree leaves flooded social media. On Wednesday, New Jersey residents described a yellow tinge to the overcast skies, and weather forecasters were kept busy explaining the phenomenon and making predictions as to how long the conditions would last.On the opposite coast, air quality conditions were among some of the worst ever recorded. Smoke cloaked the Golden Gate Bridge and left Portland and Seattle in an ashy fog, as crews have exhausted themselves trying to keep the flames from consuming more homes and even wider swaths of forest.Satellite images showed that smoke from the wildfires has traveled almost 5,000 miles (8,000 kilometers) to Britain and other parts of northern Europe, scientists said Wednesday.The current weather system, which favors a westerly wind across the higher levels of the atmosphere, is to blame for the reach of the smoke, experts explained.“We always seem, at times, to get the right combination of enough smoke and the upper level jet stream to line up to bring that across the country, so we’re just seeing this again,” said Matt Solum with the National Weather Service’s regional operations center in Salt Lake City, Utah. “It’s definitely not the first time this has happened.”There could be some easing of the haze this weekend as a storm system is expected to move into the Pacific Northwest and could affect the conditions that helped the smoke travel across the country. But Solum said there’s always a chance for more smoke and haze to shift around.“Just due to all the wildfires that are going on, this is likely going to continue for a while,” he said. “You might have ebbs and flows of that smoke just depending on how the upper level winds set up.”Kim Knowlton, a senior scientist with the Natural Resources Defense Council in New York City, said she woke up Wednesday to a red sunrise and more haze.She said millions of people who live beyond the flames can end up dealing with diminished air quality as it’s not uncommon for wildfire smoke to travel hundreds of miles.Although the health impacts are reduced the farther and higher into the atmosphere the smoke travels, Knowlton and her colleagues said the resulting haze can exacerbate existing problems like asthma and add to ozone pollution. 3070

The U.S. Food and Drug Administration updated its guidance on face coverings on Tuesday, adding information about wearing expired surgical masks.According to the FDA, face and surgical masks may still offer protection even if they've passed their designated shelf life or expiration date."If there is no date available on the face mask label or packaging, facilities should contact the manufacturer. The user should inspect all masks before use and, if there are concerns such as degraded materials (such as elastic) or visible tears," the agency recommends that you should discard the product.However, when it comes to re-using surgical disposal masks, the CDC recommends discarding them after one use.You can clean reusable masks, the CDC says, and recommends washing them after each use. For N95s, which the CDC considers a one-time-use product, but can be re-worn if cleaned with an approved decontamination method. 927

The US Food and Drug Administration approved two cancer treatments, Vitrakvi and Xospata, this week after expedited reviews.Vitrakvi, approved Monday, is "a treatment for adult and pediatric patients whose cancers have a specific genetic feature (biomarker)."The FDA said in a statement that it is the second approved cancer treatment that is based on a tumor biomarker instead of the place in the body where the tumor originated.Vitrakvi will be used for the treatment of solid tumors that have an NTRK (neurotrophic receptor tyrosine kinase) gene fusion that do not have a known resistance mutation, that are not metastatic or where surgical removal is likely to lead to severe morbidity, and that have no alternative treatments or have progressed after treatments.NTRK genes are rare but occur in many types of cancer, the FDA said, such as mammary analogue secretory carcinoma and infantile fibrosarcoma.Xospata tablets, approved Wednesday, are for the "treatment of adult patients who have relapsed or refractory acute myeloid leukemia (AML) with a FLT3 mutation," according to the FDA.Alongside the tablets, the agency also approved a diagnostic to detect the mutation."Approximately 25 to 30 percent of patients with AML have a mutation in the FLT3 gene. These mutations are associated with a particularly aggressive form of the disease and a higher risk of relapse," Dr. Richard Pazdur, director of the FDA's Oncology Center of Excellence, said in the statement.AML is a rapidly progressing cancer that affects the numbers of normal blood cells and calls for continuous transfusions, the FDA said.Both treatments were granted Priority Review designation.Priority Review, established in 1992, means the FDA aims to review the drug or treatment within six months, opposed to 10 months for a standard review."A Priority Review designation will direct overall attention and resources to the evaluation of applications for drugs that, if approved, would be significant improvements in the safety or effectiveness of the treatment, diagnosis, or prevention of serious conditions when compared to standard applications," the FDA says.Both treatments also received?orphan drug?designation, a status granted to drugs for rare diseases or conditions. 2261

The US Centers for Disease Control and Prevention warned US consumers on Tuesday to not eat romaine lettuce, as it may be contaminated with E. coli.Thirty-two people, including 13 who have been hospitalized, have been infected with the outbreak strain in 11 states, according to the CDC. One of the hospitalized people developed hemolytic uremic syndrome, a potentially life-threatening form of kidney failure. No deaths have been reported.People have become sick in California, Connecticut, Illinois, Massachusetts, Maryland, Michigan, New Hampshire, New Jersey, New York, Ohio and Wisconsin.The Public Health Agency of Canada has identified an additional 18 people who have become sick with the same strain of of E. coli in Ontario and Quebec.If you have any romaine lettuce at home, you should throw it away, even if you have eaten some and did not get sick, the CDC cautioned."This advice includes all types or uses of romaine lettuce, such as whole heads of romaine, hearts of romaine, and bags and boxes of precut lettuce and salad mixes that contain romaine, including baby romaine, spring mix, and Caesar salad," the CDC said in its announcement.All types and brands of romaine lettuce are suspect because no common grower, supplier, distributor or source company has been identified by the CDC.Retailers and restaurants also should not serve or sell any until more is known about the outbreak.Symptoms of E. coli infection, which usually begin about three or four days after consuming the bacteria, can include watery or bloody diarrhea, fever, abdominal cramps, nausea and vomiting, according to the CDC. Most people infected by the bacteria get better within five to seven days, though this particular strain of E. coli tends to cause more severe illness.People of all ages are at risk of becoming infected with Shiga toxin-producing E. coli, according to the US Food and Drug Administration, which is also investigating the outbreak. Children under 5, adults older than 65 and people with weakened immune systems, such as people with chronic diseases, are more likely to develop severe illness, but even healthy children and adults can become seriously ill.Illnesses started in October. This outbreak is not related to a multistate outbreak linked to romaine lettuce this summer.The-CNN-Wire 2311